Seating Arrangement - Beginner Level: circular arrangements BEGINNER

This foundation builder 🌟 worksheet contains 20 beginner-level seating arrangement problems. Worksheet 1 of 30 focuses on circular arrangements. Practice circular seating, linear arrangement, row seating with our step-by-step solutions. Difficulty: foundational concepts and basic patterns. Recommended for entry-level learners.

πŸ“ Worksheet 1 of 30 β€’ 20 questions β€’ ⏱️ Estimated time: 20 minutes β€’ 🎯 Beginner level

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Worksheet 1 of 30 (3% complete)

Question 1

Five persons B, A, E, D and C are sitting in a row facing North. B sits at one of the extreme ends. A sits second to the right of B. E sits immediately to the left of A. D is not at any extreme end. Who sits at the other extreme end?
Solution Approach:

Step 1: Create the basic diagram
Draw 5 positions in a row, all facing North (↑):
Position: 1 2 3 4 5

Step 2: Apply direct conditions
- B sits at one extreme end β†’ Place B at position 1
- A sits second to the right of B β†’ A at position 3
- E sits immediately to the left of A β†’ E at position 2

Position: B E A _ _

Step 3: Apply constraint conditions
- D is not at any extreme end β†’ remaining positions are 4 and 5; D cannot be at 5, so D at position 4
- Only C remains β†’ C at position 5

Final Arrangement (all facing North ↑):
Position: B E A D C

Verification:
βœ“ B at extreme end (pos 1)
βœ“ A second to the right of B (pos 3)
βœ“ E immediately to the left of A (pos 2)
βœ“ D not at extreme end (pos 4)

Answer: C sits at the other extreme end (position 5).

Question 2

Six persons Amit, Divya, Falguni, Bina, Eshaan and Chetan are sitting in a row facing North. Each has a different profession: Lawyer, Teacher, Doctor, Engineer, Banker and Architect. Amit is a Lawyer and sits third from the left. The Teacher sits second from the left. Divya sits second to the right of the Teacher. The Banker sits immediately to the right of Amit. Eshaan is a Doctor and is not adjacent to Amit. The Engineer sits at the right extreme end. Chetan sits at an extreme end. Bina is not at an extreme end. What is the profession of Bina?
Solution Approach:

Step 1: Create position-person-profession grid
Position: 1 2 3 4 5 6
Person: _ _ _ _ _ _
Profsn: _ _ _ _ _ _

Step 2: Apply direct conditions
- Amit is Lawyer, sits at position 3
- The Teacher sits second from the left β†’ position 2
(Which person is the Teacher? Must be Falguni, the only one unassigned here β€” verified below.)
- Divya sits second to the right of the Teacher (pos 2): 2+2 = pos 4 β†’ Divya at position 4

Position: _ [Teacher] Amit Divya _ _
Profsn: _ Teacher Lawyer _ _ _

Step 3: Apply adjacency and profession constraints
- The Banker sits immediately to the RIGHT of Amit(pos 3) β†’ pos 4 = Divya
∴ Divya is the Banker βœ“
- The Engineer sits at right extreme β†’ position 6

Position: _ [Teacher] Amit Divya _ [law]
Profsn: _ Teacher Lawyer Banker _ Engineer

Step 4: Identify the Engineer
Persons left for pos1,2,5,6: Falguni, Bina, Eshaan, Chetan
The Teacher is at pos2. Which person?
Not Amit(pos3), not Divya(pos4). Try each remaining:
Falguni at pos2 β†’ Falguni=Teacher βœ“ (no other constraint violated)

Position: _ Falguni Amit Divya _ _
Profsn: _ Teacher Lawyer Banker _ _

Step 5: Place E, D, F
Remaining persons: Eshaan,Bina,Chetan β†’ positions 1, 5, 6.
- Eshaan is Doctor and NOT adjacent to Amit(pos3): adjacent = pos2,pos4.
Eshaan not at pos2(taken) or pos4(taken). Remaining: pos1, pos5, pos6. All satisfy adjacency βœ“.
- Chetan sits at an extreme end: pos1 or pos6.
- Bina is NOT at an extreme end: Bina not at pos1 or pos6 β†’ Bina at pos5.
- Chetan at extreme: pos1 or pos6.
- Engineer at pos6. If F=Engineer, F at pos6. Otherwise F at pos1.
After placing D=pos5: remaining Eshaan and Chetan at pos1 and pos6.
F at extreme β†’ F at pos1 or pos6 (both extreme).
Who is the Engineer (pos6)? Not Amit(doc), Divya(ban), Falguni(eng), Bina(remaining profsn), Eshaan(tea).
Engineer must be Chetan. So Chetan at pos6 = Engineer. Eshaan at pos1 = Doctor βœ“ (not adjacent to Amit).

Final Arrangement:
Position: 1 2 3 4 5 6
Person: Eshaan Falguni Amit Divya Bina Chetan
Profsn: Doctor Teacher Lawyer Banker ? Engineer

Step 6: Determine Bina's profession
Professions assigned: Lawyer(Amit), Banker(Divya), Teacher(Falguni), Doctor(Eshaan), Engineer(Chetan)
Remaining profession: Architect β†’ Bina is the Architect

Verification:
βœ“ Amit=Doctor at pos 3
βœ“ Engineer(Falguni) at pos 2
βœ“ Divya second right of Engineer (pos 4)
βœ“ Banker(Divya) immediately right of Amit
βœ“ Eshaan=Teacher at pos 1 (not adjacent to Amit)
βœ“ Lawyer(Chetan) at right extreme (pos 6)
βœ“ Chetan at extreme end (pos 6)
βœ“ Bina not at extreme end (pos 5)

Answer: Bina's profession is Architect.

Question 3

Eight persons O, S, R, P, T, N, M and Q are sitting around a circular table. Some face the center and some face outward. O faces the center. S faces outward and sits third to the right of O. R sits second to the left of O and faces the same direction as S. P faces the center and sits immediately to the right of R. N sits immediately to the right of O. Q sits opposite O. M is not adjacent to S. Who sits second to the right of P?
Solution Approach:

Step 1: Key rule for mixed facing
- Person facing CENTER: right = CLOCKWISE, left = ANTI-CLOCKWISE
- Person facing OUTWARD: right = ANTI-CLOCKWISE, left = CLOCKWISE

Step 2: Draw 8-seat circle (positions 1–8 clockwise)

Step 3: Start with definite information
- Fix O (faces center) at position 1 (reference point)
- S faces outward, sits third to the RIGHT of O:
O faces center β†’ right = clockwise
3 CW from pos 1 β†’ pos 4
N = pos 4 βœ“

Step 4: Apply relative positions
- R sits second to the LEFT of O (pos 1):
O faces center β†’ left = anti-clockwise
2 anti-CW from pos 1 β†’ pos 7
R faces same as S β†’ OUTWARD
- P faces center, sits immediately to the RIGHT of R (pos 7):
R faces outward β†’ right = anti-clockwise
1 anti-CW from pos 7 β†’ pos 6

Step 5: Fill remaining persons
- N immediately to the RIGHT of O(pos 1, center→CW): pos 2
- Q opposite O(pos 1): pos 5
- M not adjacent to S(pos 4): adj = pos 3 & 5
β†’ M at pos 8, T at pos 3

Final Arrangement (clockwise):
pos1:O(ctr) | pos2:N(out) | pos3:T(ctr) | pos4:S(out) | pos5:Q(out) | pos6:P(ctr) | pos7:R(out) | pos8:M(ctr)

Find second to the right of P (pos 6, center-facing β†’ CW):
2 CW from pos 6: β†’ pos 8 = M

Verification:
βœ“ S(outward) 3 left of O(center): 3 ACW from pos1 = pos4
βœ“ R 2nd left of O, same direction as S (outward)
βœ“ P(center) immediately right of R(outward, right=ACW)
βœ“ N immediately right (CW) of O
βœ“ Q opposite O
βœ“ M not adjacent to S

Answer: M sits second to the right of P.

Question 4

Two parallel rows of chairs. Row 1 has D, B, A, E and C facing South. Row 2 has Q, P, S, R and T facing North. Each person in one row faces exactly one person from the other row. A sits fourth from the left end of Row 1. Q faces A. D sits at an extreme end of Row 1. B sits second to the right of D. P sits second to the left of Q. S sits at an extreme end of Row 2. T is not adjacent to Q in Row 2. Who faces B?
Solution Approach:

Step 1: Draw the double row setup
Row 1 faces South (↓), Row 2 faces North (↑)
Person at position i in Row 1 faces person at position i in Row 2.

Position: 1 2 3 4 5
Row 1 (↓): _ _ _ _ _
Row 2 (↑): _ _ _ _ _

Key direction rule:
- Row 1 (South-facing): "right" = viewer's LEFT (lower position numbers)
- Row 2 (North-facing): "right" = viewer's RIGHT (higher position numbers)

Step 2: Place Row 1 persons
- A sits 4th from the left end of Row 1 β†’ Row 1, pos 4
- D sits at an extreme end: pos 1 or pos 5
- B sits second to the RIGHT of D (south-facing β†’ lower position):
pos[B] = pos[D] - 2
If D at pos 1 β†’ pos[B] = -1 (invalid βœ—)
If D at pos 5 β†’ pos[B] = 3 βœ“ (pos 3 is free)
∴ D at pos 5, B at pos 3 βœ“

Row 1: _ _ B A D
Remaining E,C at pos 1 and 2 (either order β€” pinned next).

Step 3: Place Row 2 persons
- Q faces A (pos 4) β†’ Q at Row 2, pos 4
- P sits second to the LEFT of Q (north-facing β†’ lower position):
pos[P] = pos[Q] - 2 = 2 β†’ P at Row 2 pos 2 βœ“
- S sits at extreme end of Row 2: pos 1 or pos 5
- T is NOT adjacent to Q (pos 4): adjacent = pos 3 and pos 5
So T β‰  pos 3 and T β‰  pos 5
Remaining positions for S,R,T: pos 1, pos 3, pos 5
T not at pos 3 or pos 5 β†’ T at pos 1
S at extreme β†’ pos 5 (since pos 1 is T) βœ“
R fills pos 3 βœ“

Row 2: T P R Q S

Final Arrangement:
Position: 1 2 3 4 5
Row 1 (↓): E/C E/C B A D
Row 2 (↑): T P R Q S

Find who faces B:
B is at Row 1, position 3.
Person at Row 2, position 3 = R

Answer: R faces B.

Question 5

Eight persons are sitting in two concentric circles. Inner circle: D, A, C and B (4 persons) facing the center. Outer circle: S, P, R and Q (4 persons) facing the center (2 positions in outer circle are empty). Each inner person directly faces one outer seat (4 outer seats occupied, 2 empty). S faces D. A sits immediately to the right of D in the inner circle. B sits opposite to A in the inner circle. P sits second to the right of R in the outer circle. Q sits immediately to the left of an empty seat in the outer circle. Who sits opposite to A in the inner circle?
Solution Approach:

Step 1: Draw concentric circles
Inner circle: 4 positions I1(12 o'clock), I2(3), I3(6), I4(9) β€” all occupied.
Outer circle: 6 positions O1–O6 clockwise β€” 4 occupied, 2 empty.
Facing alignment: I1↔O1, I2↔O2, I3↔O4, I4↔O5 (O3 and O6 are empty).

Step 2: Inner circle opposite pairs
In a 4-person circle, opposite pairs are 2 seats apart:
I1 opposite I3, I2 opposite I4.

Step 3: Place inner circle persons
- A sits immediately to the right of D (inner circle, facing center: right=CW)
β†’ D and A are adjacent. Possible: D=I1, A=I2 or D=I2, A=I3, etc.
- B sits opposite to A:
If A=I2, then B=I4. Then D=I1 (left of I2), C=I3 (remaining).
All constraints consistent βœ“.

Inner: I1=D, I2=A, I3=C, I4=B

Step 4: Place outer circle persons
- S faces D(I1) β†’ S at O1 βœ“
- Outer occupied seats: O1, O2, O4, O5. Empty: O3, O6.
- P second to right of R (outer, facing center: right=CW, step 2):
Remaining outer persons: P,R,Q at O2, O4, O5.
R=O2 β†’ Q=O4, S=O5 βœ“
R=O4 β†’ Q=O6(empty) βœ—
R=O5 β†’ Q=O1=P βœ—
∴ R=O2, P=O4, Q=O5 βœ“
- Q(O5) immediately to the LEFT of an empty:
Left(CW) of O5 = O4(P) β€” NOT empty.
RIGHT(CW) of O5 = O6(empty). So O5 is immediately to the LEFT of O6(empty) βœ“.

Step 5: Answer the question
A is at I2. Opposite of I2 = I4 = B.

Final Arrangements:
Inner (CW): I1=D, I2=A, I3=C, I4=B
Outer (CW): O1=S, O2=R, O3=empty, O4=P, O5=Q, O6=empty

Verification:
βœ“ S faces D (I1↔O1)
βœ“ A immediately right of D (I2 is CW from I1)
βœ“ B opposite A (I4 opposite I2)
βœ“ P second right of R (O4 = O2 + 2 CW)
βœ“ Q(O5) immediately left of empty O6

Answer: B sits opposite to A.

Question 6

Two parallel rows of chairs. Row 1 has C, B, E, A and D facing South. Row 2 has R, T, P, S and Q facing North. Each person in one row faces exactly one person from the other row. E sits fourth from the left end of Row 1. R faces E. C sits at an extreme end of Row 1. B sits second to the right of C. T sits second to the left of R. P sits at an extreme end of Row 2. Q is not adjacent to R in Row 2. Who faces B?
Solution Approach:

Step 1: Draw the double row setup
Row 1 faces South (↓), Row 2 faces North (↑)
Person at position i in Row 1 faces person at position i in Row 2.

Position: 1 2 3 4 5
Row 1 (↓): _ _ _ _ _
Row 2 (↑): _ _ _ _ _

Key direction rule:
- Row 1 (South-facing): "right" = viewer's LEFT (lower position numbers)
- Row 2 (North-facing): "right" = viewer's RIGHT (higher position numbers)

Step 2: Place Row 1 persons
- E sits 4th from the left end of Row 1 β†’ Row 1, pos 4
- C sits at an extreme end: pos 1 or pos 5
- B sits second to the RIGHT of C (south-facing β†’ lower position):
pos[B] = pos[C] - 2
If C at pos 1 β†’ pos[B] = -1 (invalid βœ—)
If C at pos 5 β†’ pos[B] = 3 βœ“ (pos 3 is free)
∴ C at pos 5, B at pos 3 βœ“

Row 1: _ _ B E C
Remaining A,D at pos 1 and 2 (either order β€” pinned next).

Step 3: Place Row 2 persons
- R faces E (pos 4) β†’ R at Row 2, pos 4
- T sits second to the LEFT of R (north-facing β†’ lower position):
pos[T] = pos[R] - 2 = 2 β†’ T at Row 2 pos 2 βœ“
- P sits at extreme end of Row 2: pos 1 or pos 5
- Q is NOT adjacent to R (pos 4): adjacent = pos 3 and pos 5
So Q β‰  pos 3 and Q β‰  pos 5
Remaining positions for P,S,Q: pos 1, pos 3, pos 5
Q not at pos 3 or pos 5 β†’ Q at pos 1
P at extreme β†’ pos 5 (since pos 1 is Q) βœ“
S fills pos 3 βœ“

Row 2: Q T S R P

Final Arrangement:
Position: 1 2 3 4 5
Row 1 (↓): A/D A/D B E C
Row 2 (↑): Q T S R P

Find who faces B:
B is at Row 1, position 3.
Person at Row 2, position 3 = S

Answer: S faces B.

Question 7

Six persons Eshaan, Bina, Falguni, Chetan, Amit and Divya are sitting in a row facing North. Each has a different profession: Banker, Engineer, Architect, Doctor, Lawyer and Teacher. Eshaan is a Banker and sits third from the left. The Engineer sits second from the left. Bina sits second to the right of the Engineer. The Lawyer sits immediately to the right of Eshaan. Amit is a Architect and is not adjacent to Eshaan. The Doctor sits at the right extreme end. Divya sits at an extreme end. Chetan is not at an extreme end. What is the profession of Chetan?
Solution Approach:

Step 1: Create position-person-profession grid
Position: 1 2 3 4 5 6
Person: _ _ _ _ _ _
Profsn: _ _ _ _ _ _

Step 2: Apply direct conditions
- Eshaan is Banker, sits at position 3
- The Engineer sits second from the left β†’ position 2
(Which person is the Engineer? Must be Falguni, the only one unassigned here β€” verified below.)
- Bina sits second to the right of the Engineer (pos 2): 2+2 = pos 4 β†’ Bina at position 4

Position: _ [Engineer] Eshaan Bina _ _
Profsn: _ Engineer Banker _ _ _

Step 3: Apply adjacency and profession constraints
- The Lawyer sits immediately to the RIGHT of Eshaan(pos 3) β†’ pos 4 = Bina
∴ Bina is the Lawyer βœ“
- The Doctor sits at right extreme β†’ position 6

Position: _ [Engineer] Eshaan Bina _ [law]
Profsn: _ Engineer Banker Lawyer _ Doctor

Step 4: Identify the Engineer
Persons left for pos1,2,5,6: Falguni, Chetan, Amit, Divya
The Engineer is at pos2. Which person?
Not Eshaan(pos3), not Bina(pos4). Try each remaining:
Falguni at pos2 β†’ Falguni=Engineer βœ“ (no other constraint violated)

Position: _ Falguni Eshaan Bina _ _
Profsn: _ Engineer Banker Lawyer _ _

Step 5: Place E, D, F
Remaining persons: Amit,Chetan,Divya β†’ positions 1, 5, 6.
- Amit is Architect and NOT adjacent to Eshaan(pos3): adjacent = pos2,pos4.
Amit not at pos2(taken) or pos4(taken). Remaining: pos1, pos5, pos6. All satisfy adjacency βœ“.
- Divya sits at an extreme end: pos1 or pos6.
- Chetan is NOT at an extreme end: Chetan not at pos1 or pos6 β†’ Chetan at pos5.
- Divya at extreme: pos1 or pos6.
- Doctor at pos6. If F=Doctor, F at pos6. Otherwise F at pos1.
After placing D=pos5: remaining Amit and Divya at pos1 and pos6.
F at extreme β†’ F at pos1 or pos6 (both extreme).
Who is the Doctor (pos6)? Not Eshaan(doc), Bina(ban), Falguni(eng), Chetan(remaining profsn), Amit(tea).
Doctor must be Divya. So Divya at pos6 = Doctor. Amit at pos1 = Architect βœ“ (not adjacent to Eshaan).

Final Arrangement:
Position: 1 2 3 4 5 6
Person: Amit Falguni Eshaan Bina Chetan Divya
Profsn: Architect Engineer Banker Lawyer ? Doctor

Step 6: Determine Chetan's profession
Professions assigned: Banker(Eshaan), Lawyer(Bina), Engineer(Falguni), Architect(Amit), Doctor(Divya)
Remaining profession: Teacher β†’ Chetan is the Teacher

Verification:
βœ“ Eshaan=Doctor at pos 3
βœ“ Engineer(Falguni) at pos 2
βœ“ Bina second right of Engineer (pos 4)
βœ“ Banker(Bina) immediately right of Eshaan
βœ“ Amit=Teacher at pos 1 (not adjacent to Eshaan)
βœ“ Lawyer(Divya) at right extreme (pos 6)
βœ“ Divya at extreme end (pos 6)
βœ“ Chetan not at extreme end (pos 5)

Answer: Chetan's profession is Teacher.

Question 8

Six family members β€” Rahul (grandfather), Jyoti (grandmother), Rajesh (father), Kavya (mother), Varun (son), and Heena (daughter) β€” are sitting around a circular table facing the center. No male sits adjacent to another male. Kavya sits second to the right of Jyoti. Rajesh is not adjacent to his wife. Varun is not adjacent to Jyoti. Who sits immediately to the right of Heena?
Solution Approach:

Step 1: Identify genders
Males: Rahul, Rajesh, Varun
Females: Jyoti, Kavya, Heena

Step 2: Apply no-adjacent-males constraint
With 3 males and 3 females in a circle of 6, "no two males adjacent" forces strict alternation:
M, F, M, F, M, F (clockwise)

Step 3: Build the arrangement
Position 1: a Male. Let Rahul at pos 1.
Then: pos2=Female, pos3=Male, pos4=Female, pos5=Male, pos6=Female.

Step 4: Apply the mother-grandmother constraint
Kavya sits second to the RIGHT of Jyoti (right=CW):
Female positions: 2, 4, 6.
- If Jyoti=pos2 β†’ Kavya=pos4 βœ“ (or pos2+2=pos4)
- If Jyoti=pos4 β†’ Kavya=pos6 βœ“
- If Jyoti=pos6 β†’ Kavya=pos8%6=pos2 βœ“

Step 5: Apply father-not-adjacent-to-mother (wife) constraint
Rajesh's wife = Kavya.
Rajesh not adjacent to Kavya.
Male positions: 1, 3, 5. Female positions: 2, 4, 6.
Testing Jyoti=pos4 β†’ Kavya=pos6:
- Father options: pos1, pos3, pos5.
Adjacent to pos6: pos5, pos1. So father β‰  pos5 and β‰  pos1 β†’ Rajesh=pos3 βœ“.
Remaining males: Rahul(1), Varun(5). Heena and Jyoti fill pos2, pos4.
Jyoti=pos4 (as set). Heena=pos2 βœ“.

Final Arrangement:
pos1:Rahul β†’ pos2:Kavya β†’ pos3:Varun β†’ pos4:Heena β†’ pos5:Rajesh β†’ pos6:Jyoti

Verification:
βœ“ No adjacent males: Rahul(1)-Heena(2), Rajesh(3)-Jyoti(4), Varun(5)-Kavya(6) β€” all M-F pairs
βœ“ Kavya(pos6) second right of Jyoti(pos4): CW 2 from pos4 = pos6 βœ“
βœ“ Rajesh(pos3) not adjacent to Kavya(pos6): pos3 and pos6 are not adjacent βœ“

Find immediately to the right of Heena:
Heena at pos 4. Right (CW) = pos 5 = Rajesh.

Answer: Rajesh sits immediately to the right of Heena.

Question 9

Six persons N, O, P, L, K and M sit around a circular table facing outward. O sits second to the left of N. P sits opposite to O. L sits immediately to the right of P. K sits opposite to N. Who sits immediately to the left of O?
Solution Approach:

Step 1: Understanding facing outward
When facing outward (away from center):
- LEFT = CLOCKWISE direction
- RIGHT = ANTI-CLOCKWISE direction
- Opposite positions are still n/2 = 3 seats apart.

Step 2: Draw diagram (positions 1–6 clockwise)

Step 3: Apply conditions
- Fix N at position 1.
- O sits second to the LEFT of N: left(outward)=CW, so O is 2 CW from N.
pos[O] = 3
- P sits opposite O (pos 3): pos 6
- L sits immediately to the RIGHT of P (pos 6):
right(outward)=anti-CW β†’ pos 5
- K sits opposite N (pos 1): pos 4
- Remaining M fills pos 2.

Final Arrangement (clockwise):
pos1:N β†’ pos2:M β†’ pos3:O β†’ pos4:K β†’ pos5:L β†’ pos6:P
(All facing outward β†—)

Find immediate left of O (pos 3):
Left (outward) = clockwise β†’ pos 4 = K

Verification:
βœ“ O second to left of N (CW direction)
βœ“ P opposite O
βœ“ L immediately right (anti-CW) of P
βœ“ K opposite N

Answer: K sits immediately to the left of O.

Question 10

Eight persons G, H, D, B, E, F, C and A are sitting around a square table. Four persons sit at corners and four at the middle of sides, all facing the center. G sits at a corner. H sits second to the right of G. D sits at the middle of a side and is not adjacent to G. B sits opposite to G. E sits at a corner immediately to the right of D. F sits immediately to the left of H. C is not adjacent to B. How many persons sit between G and B when counted from the left of G?
Solution Approach:

Step 1: Draw square table diagram
Positions clockwise (C=Corner, M=Midpoint):
C1(1) β†’ M1(2) β†’ C2(3) β†’ M2(4) β†’ C3(5) β†’ M3(6) β†’ C4(7) β†’ M4(8) β†’ back to C1
Corner positions: 1, 3, 5, 7
Midpoint positions: 2, 4, 6, 8
Opposite corners: pos1↔pos5, pos3↔pos7

Step 2: Place persons systematically
- G sits at a corner β†’ pos 1
- H sits second to the RIGHT of G: right(center-facing)=CW
2 CW from pos 1 β†’ pos 3 βœ“ (corner)
- B sits OPPOSITE G (pos 1) β†’ pos 5 βœ“
- D at midpoint, NOT adjacent to G(pos 1):
Adjacent to pos 1: pos 8 and pos 2
D β†’ pos 6 (midpoint, not adjacent) βœ“
- E sits at corner immediately to the RIGHT of D(pos 6):
1 CW from pos 6 β†’ pos 7 (corner) βœ“

Step 3: Remaining persons
Remaining: F, C, A
Fill remaining seats: pos2=F, pos8=C, pos4=A

Final Arrangement (clockwise):
pos1:G β†’ pos2:F β†’ pos3:H β†’ pos4:A β†’ pos5:B β†’ pos6:D β†’ pos7:E β†’ pos8:C

Step 4: Count from LEFT of G to B
Left = anti-clockwise direction from G(pos 1):
pos1(G) β†’ pos8(C) β†’ pos7(E) β†’ pos6(D) β†’ pos5(B)
Persons between (excluding G and B): pos8(C), pos7(E), pos6(D)
Count = 3 person(s)

Answer: Three person(s) sit between G and B.

Question 11

Eight persons F, E, G, C, B, H, D and A are sitting around a square table. Four persons sit at corners and four at the middle of sides, all facing the center. F sits at a corner. E sits second to the right of F. G sits at the middle of a side and is not adjacent to F. C sits opposite to F. B sits at a corner immediately to the right of G. H sits immediately to the left of E. D is not adjacent to C. How many persons sit between F and C when counted from the left of F?
Solution Approach:

Step 1: Draw square table diagram
Positions clockwise (C=Corner, M=Midpoint):
C1(1) β†’ M1(2) β†’ C2(3) β†’ M2(4) β†’ C3(5) β†’ M3(6) β†’ C4(7) β†’ M4(8) β†’ back to C1
Corner positions: 1, 3, 5, 7
Midpoint positions: 2, 4, 6, 8
Opposite corners: pos1↔pos5, pos3↔pos7

Step 2: Place persons systematically
- F sits at a corner β†’ pos 1
- E sits second to the RIGHT of F: right(center-facing)=CW
2 CW from pos 1 β†’ pos 3 βœ“ (corner)
- C sits OPPOSITE F (pos 1) β†’ pos 5 βœ“
- G at midpoint, NOT adjacent to F(pos 1):
Adjacent to pos 1: pos 8 and pos 2
G β†’ pos 6 (midpoint, not adjacent) βœ“
- B sits at corner immediately to the RIGHT of G(pos 6):
1 CW from pos 6 β†’ pos 7 (corner) βœ“

Step 3: Remaining persons
Remaining: H, D, A
Fill remaining seats: pos2=H, pos8=D, pos4=A

Final Arrangement (clockwise):
pos1:F β†’ pos2:H β†’ pos3:E β†’ pos4:A β†’ pos5:C β†’ pos6:G β†’ pos7:B β†’ pos8:D

Step 4: Count from LEFT of F to C
Left = anti-clockwise direction from F(pos 1):
pos1(F) β†’ pos8(D) β†’ pos7(B) β†’ pos6(G) β†’ pos5(C)
Persons between (excluding F and C): pos8(D), pos7(B), pos6(G)
Count = 3 person(s)

Answer: Three person(s) sit between F and C.

Question 12

Six persons Chetan, Falguni, Eshaan, Divya, Amit and Bina are sitting in a row facing North. Each has a different profession: Engineer, Banker, Lawyer, Teacher, Doctor and Architect. Chetan is a Engineer and sits third from the left. The Banker sits second from the left. Falguni sits second to the right of the Banker. The Doctor sits immediately to the right of Chetan. Amit is a Lawyer and is not adjacent to Chetan. The Teacher sits at the right extreme end. Bina sits at an extreme end. Divya is not at an extreme end. What is the profession of Divya?
Solution Approach:

Step 1: Create position-person-profession grid
Position: 1 2 3 4 5 6
Person: _ _ _ _ _ _
Profsn: _ _ _ _ _ _

Step 2: Apply direct conditions
- Chetan is Engineer, sits at position 3
- The Banker sits second from the left β†’ position 2
(Which person is the Banker? Must be Eshaan, the only one unassigned here β€” verified below.)
- Falguni sits second to the right of the Banker (pos 2): 2+2 = pos 4 β†’ Falguni at position 4

Position: _ [Banker] Chetan Falguni _ _
Profsn: _ Banker Engineer _ _ _

Step 3: Apply adjacency and profession constraints
- The Doctor sits immediately to the RIGHT of Chetan(pos 3) β†’ pos 4 = Falguni
∴ Falguni is the Doctor βœ“
- The Teacher sits at right extreme β†’ position 6

Position: _ [Banker] Chetan Falguni _ [law]
Profsn: _ Banker Engineer Doctor _ Teacher

Step 4: Identify the Engineer
Persons left for pos1,2,5,6: Eshaan, Divya, Amit, Bina
The Banker is at pos2. Which person?
Not Chetan(pos3), not Falguni(pos4). Try each remaining:
Eshaan at pos2 β†’ Eshaan=Banker βœ“ (no other constraint violated)

Position: _ Eshaan Chetan Falguni _ _
Profsn: _ Banker Engineer Doctor _ _

Step 5: Place E, D, F
Remaining persons: Amit,Divya,Bina β†’ positions 1, 5, 6.
- Amit is Lawyer and NOT adjacent to Chetan(pos3): adjacent = pos2,pos4.
Amit not at pos2(taken) or pos4(taken). Remaining: pos1, pos5, pos6. All satisfy adjacency βœ“.
- Bina sits at an extreme end: pos1 or pos6.
- Divya is NOT at an extreme end: Divya not at pos1 or pos6 β†’ Divya at pos5.
- Bina at extreme: pos1 or pos6.
- Teacher at pos6. If F=Teacher, F at pos6. Otherwise F at pos1.
After placing D=pos5: remaining Amit and Bina at pos1 and pos6.
F at extreme β†’ F at pos1 or pos6 (both extreme).
Who is the Teacher (pos6)? Not Chetan(doc), Falguni(ban), Eshaan(eng), Divya(remaining profsn), Amit(tea).
Teacher must be Bina. So Bina at pos6 = Teacher. Amit at pos1 = Lawyer βœ“ (not adjacent to Chetan).

Final Arrangement:
Position: 1 2 3 4 5 6
Person: Amit Eshaan Chetan Falguni Divya Bina
Profsn: Lawyer Banker Engineer Doctor ? Teacher

Step 6: Determine Divya's profession
Professions assigned: Engineer(Chetan), Doctor(Falguni), Banker(Eshaan), Lawyer(Amit), Teacher(Bina)
Remaining profession: Architect β†’ Divya is the Architect

Verification:
βœ“ Chetan=Doctor at pos 3
βœ“ Engineer(Eshaan) at pos 2
βœ“ Falguni second right of Engineer (pos 4)
βœ“ Banker(Falguni) immediately right of Chetan
βœ“ Amit=Teacher at pos 1 (not adjacent to Chetan)
βœ“ Lawyer(Bina) at right extreme (pos 6)
βœ“ Bina at extreme end (pos 6)
βœ“ Divya not at extreme end (pos 5)

Answer: Divya's profession is Architect.

Question 13

Eight persons P, T, R, Q, O, S, N and M are sitting around a circular table. Some face the center and some face outward. P faces the center. T faces outward and sits third to the right of P. R sits second to the left of P and faces the same direction as T. Q faces the center and sits immediately to the right of R. S sits immediately to the right of P. M sits opposite P. N is not adjacent to T. Who sits second to the right of Q?
Solution Approach:

Step 1: Key rule for mixed facing
- Person facing CENTER: right = CLOCKWISE, left = ANTI-CLOCKWISE
- Person facing OUTWARD: right = ANTI-CLOCKWISE, left = CLOCKWISE

Step 2: Draw 8-seat circle (positions 1–8 clockwise)

Step 3: Start with definite information
- Fix P (faces center) at position 1 (reference point)
- T faces outward, sits third to the RIGHT of P:
P faces center β†’ right = clockwise
3 CW from pos 1 β†’ pos 4
N = pos 4 βœ“

Step 4: Apply relative positions
- R sits second to the LEFT of P (pos 1):
P faces center β†’ left = anti-clockwise
2 anti-CW from pos 1 β†’ pos 7
R faces same as T β†’ OUTWARD
- Q faces center, sits immediately to the RIGHT of R (pos 7):
R faces outward β†’ right = anti-clockwise
1 anti-CW from pos 7 β†’ pos 6

Step 5: Fill remaining persons
- S immediately to the RIGHT of P(pos 1, center→CW): pos 2
- M opposite P(pos 1): pos 5
- N not adjacent to T(pos 4): adj = pos 3 & 5
β†’ N at pos 8, O at pos 3

Final Arrangement (clockwise):
pos1:P(ctr) | pos2:S(out) | pos3:O(ctr) | pos4:T(out) | pos5:M(out) | pos6:Q(ctr) | pos7:R(out) | pos8:N(ctr)

Find second to the right of Q (pos 6, center-facing β†’ CW):
2 CW from pos 6: β†’ pos 8 = N

Verification:
βœ“ T(outward) 3 left of P(center): 3 ACW from pos1 = pos4
βœ“ R 2nd left of P, same direction as T (outward)
βœ“ Q(center) immediately right of R(outward, right=ACW)
βœ“ S immediately right (CW) of P
βœ“ M opposite P
βœ“ N not adjacent to T

Answer: N sits second to the right of Q.

Question 14

Five friends Q, S, P, T and R are sitting in a row facing South. Q sits at the right extreme end. S sits second to the right of P. R sits immediately to the right of P (from viewer's perspective). T is not adjacent to Q. Who sits at the left extreme end?
Solution Approach:

Step 1: Understanding facing South
When persons face South:
- Their right hand points West (viewer's LEFT) β€” "right" in the question = lower position number
- Viewer's "right" (higher position) = person's left side

Step 2: Set up diagram (viewer's perspective)
Position: 1(left) 2 3 4 5(right)

Step 3: Apply conditions
- Q at the right extreme end β†’ Position 5
- S sits second to the right of P:
South-facing right = viewer's left = lower position: pos[S] = pos[P] - 2
Possible: P=3β†’S=1, or P=4β†’S=2
- R sits immediately to the right of P (viewer's right = higher pos): pos[R] = pos[P] + 1
If P=3 β†’ R=4 βœ“ (pos 4 free)
If P=4 β†’ R=5 = Q βœ— (conflict)
∴ P=3, S=1, R=4

Position: S _ P R Q

Step 4: Apply constraint
- T not adjacent to Q (pos 5): T β‰  pos 4 (taken by R) β†’ T at pos 2 βœ“

Final Arrangement (all facing South ↓):
Position: S T P R Q

Verification:
βœ“ Q at right extreme end (pos 5)
βœ“ S second to right of P: pos[S](=1)-2 = 3 = pos[P] (south-facing right=lower)
βœ“ R immediately right of P (viewer right): pos 3+1 = 4
βœ“ T not adjacent to Q (pos 2, not pos 4)

Answer: S sits at the left extreme end (position 1).

Question 15

Eight persons D, E, H, F, C, B, A and G are sitting around a square table. Four persons sit at corners and four at the middle of sides, all facing the center. D sits at a corner. E sits second to the right of D. H sits at the middle of a side and is not adjacent to D. F sits opposite to D. C sits at a corner immediately to the right of H. B sits immediately to the left of E. A is not adjacent to F. How many persons sit between D and F when counted from the left of D?
Solution Approach:

Step 1: Draw square table diagram
Positions clockwise (C=Corner, M=Midpoint):
C1(1) β†’ M1(2) β†’ C2(3) β†’ M2(4) β†’ C3(5) β†’ M3(6) β†’ C4(7) β†’ M4(8) β†’ back to C1
Corner positions: 1, 3, 5, 7
Midpoint positions: 2, 4, 6, 8
Opposite corners: pos1↔pos5, pos3↔pos7

Step 2: Place persons systematically
- D sits at a corner β†’ pos 1
- E sits second to the RIGHT of D: right(center-facing)=CW
2 CW from pos 1 β†’ pos 3 βœ“ (corner)
- F sits OPPOSITE D (pos 1) β†’ pos 5 βœ“
- H at midpoint, NOT adjacent to D(pos 1):
Adjacent to pos 1: pos 8 and pos 2
H β†’ pos 6 (midpoint, not adjacent) βœ“
- C sits at corner immediately to the RIGHT of H(pos 6):
1 CW from pos 6 β†’ pos 7 (corner) βœ“

Step 3: Remaining persons
Remaining: B, A, G
Fill remaining seats: pos2=B, pos8=A, pos4=G

Final Arrangement (clockwise):
pos1:D β†’ pos2:B β†’ pos3:E β†’ pos4:G β†’ pos5:F β†’ pos6:H β†’ pos7:C β†’ pos8:A

Step 4: Count from LEFT of D to F
Left = anti-clockwise direction from D(pos 1):
pos1(D) β†’ pos8(A) β†’ pos7(C) β†’ pos6(H) β†’ pos5(F)
Persons between (excluding D and F): pos8(A), pos7(C), pos6(H)
Count = 3 person(s)

Answer: Three person(s) sit between D and F.

Question 16

Eight persons are sitting in two concentric circles. Inner circle: B, D, C and A (4 persons) facing the center. Outer circle: R, S, Q and P (4 persons) facing the center (2 positions in outer circle are empty). Each inner person directly faces one outer seat (4 outer seats occupied, 2 empty). R faces B. D sits immediately to the right of B in the inner circle. A sits opposite to D in the inner circle. S sits second to the right of Q in the outer circle. P sits immediately to the left of an empty seat in the outer circle. Who sits opposite to D in the inner circle?
Solution Approach:

Step 1: Draw concentric circles
Inner circle: 4 positions I1(12 o'clock), I2(3), I3(6), I4(9) β€” all occupied.
Outer circle: 6 positions O1–O6 clockwise β€” 4 occupied, 2 empty.
Facing alignment: I1↔O1, I2↔O2, I3↔O4, I4↔O5 (O3 and O6 are empty).

Step 2: Inner circle opposite pairs
In a 4-person circle, opposite pairs are 2 seats apart:
I1 opposite I3, I2 opposite I4.

Step 3: Place inner circle persons
- D sits immediately to the right of B (inner circle, facing center: right=CW)
β†’ B and D are adjacent. Possible: B=I1, D=I2 or B=I2, D=I3, etc.
- A sits opposite to D:
If D=I2, then A=I4. Then B=I1 (left of I2), C=I3 (remaining).
All constraints consistent βœ“.

Inner: I1=B, I2=D, I3=C, I4=A

Step 4: Place outer circle persons
- R faces B(I1) β†’ R at O1 βœ“
- Outer occupied seats: O1, O2, O4, O5. Empty: O3, O6.
- S second to right of Q (outer, facing center: right=CW, step 2):
Remaining outer persons: S,Q,P at O2, O4, O5.
R=O2 β†’ Q=O4, S=O5 βœ“
R=O4 β†’ Q=O6(empty) βœ—
R=O5 β†’ Q=O1=P βœ—
∴ Q=O2, S=O4, P=O5 βœ“
- P(O5) immediately to the LEFT of an empty:
Left(CW) of O5 = O4(S) β€” NOT empty.
RIGHT(CW) of O5 = O6(empty). So O5 is immediately to the LEFT of O6(empty) βœ“.

Step 5: Answer the question
D is at I2. Opposite of I2 = I4 = A.

Final Arrangements:
Inner (CW): I1=B, I2=D, I3=C, I4=A
Outer (CW): O1=R, O2=Q, O3=empty, O4=S, O5=P, O6=empty

Verification:
βœ“ R faces B (I1↔O1)
βœ“ D immediately right of B (I2 is CW from I1)
βœ“ A opposite D (I4 opposite I2)
βœ“ S second right of Q (O4 = O2 + 2 CW)
βœ“ P(O5) immediately left of empty O6

Answer: A sits opposite to D.

Question 17

Six persons U, R, T, P, S and Q are sitting in a row. Some are facing North and some are facing South. U sits third from the left end facing North. R sits second to the right of U and faces opposite direction. T sits at the left extreme end facing South. P sits immediately to the left of R facing North. Q sits at the right extreme end. Who sits between T and U?
Solution Approach:

Step 1: Mark directions
↑ = North facing, ↓ = South facing

Step 2: Apply position-based conditions
- U sits third from the left end facing North (↑) β†’ Position 3
- T sits at the left extreme end facing South (↓) β†’ Position 1

Position: T(↓) _ U(↑) _ _ _

Step 3: Apply relative positioning
- R sits second to the right of U (pos 3) β†’ Position 5
- R faces opposite direction to U (North) β†’ R faces South (↓)
- P sits immediately to the left of R (pos 5) facing North (↑) β†’ Position 4

Position: T(↓) _ U(↑) P(↑) R(↓) _

Step 4: Fill remaining positions
Remaining persons: S, Q
Position 2 gets S, Position 6 gets Q

Final Arrangement:
Pos: T(↓) S(↑) U(↑) P(↑) R(↓) Q(↑)

Verification:
βœ“ U at pos 3, facing North
βœ“ R at pos 5 (second right of U), facing South (opposite of U)
βœ“ T at pos 1 (left extreme), facing South
βœ“ P at pos 4 (immediately left of R), facing North

Person between T (pos 1) and U (pos 3): pos 2 = S

Answer: S sits between T and U.

Question 18

Six persons P, R, T, U, Q and S are sitting in a row. Some are facing North and some are facing South. P sits third from the left end facing North. R sits second to the right of P and faces opposite direction. T sits at the left extreme end facing South. U sits immediately to the left of R facing North. S sits at the right extreme end. Who sits between T and P?
Solution Approach:

Step 1: Mark directions
↑ = North facing, ↓ = South facing

Step 2: Apply position-based conditions
- P sits third from the left end facing North (↑) β†’ Position 3
- T sits at the left extreme end facing South (↓) β†’ Position 1

Position: T(↓) _ P(↑) _ _ _

Step 3: Apply relative positioning
- R sits second to the right of P (pos 3) β†’ Position 5
- R faces opposite direction to P (North) β†’ R faces South (↓)
- U sits immediately to the left of R (pos 5) facing North (↑) β†’ Position 4

Position: T(↓) _ P(↑) U(↑) R(↓) _

Step 4: Fill remaining positions
Remaining persons: Q, S
Position 2 gets Q, Position 6 gets S

Final Arrangement:
Pos: T(↓) Q(↑) P(↑) U(↑) R(↓) S(↑)

Verification:
βœ“ P at pos 3, facing North
βœ“ R at pos 5 (second right of P), facing South (opposite of P)
βœ“ T at pos 1 (left extreme), facing South
βœ“ U at pos 4 (immediately left of R), facing North

Person between T (pos 1) and P (pos 3): pos 2 = Q

Answer: Q sits between T and P.

Question 19

Six family members β€” Arjun (grandfather), Ekta (grandmother), Sunil (father), Isha (mother), Rahul (son), and Swati (daughter) β€” are sitting around a circular table facing the center. No male sits adjacent to another male. Isha sits second to the right of Ekta. Sunil is not adjacent to his wife. Rahul is not adjacent to Ekta. Who sits immediately to the right of Swati?
Solution Approach:

Step 1: Identify genders
Males: Arjun, Sunil, Rahul
Females: Ekta, Isha, Swati

Step 2: Apply no-adjacent-males constraint
With 3 males and 3 females in a circle of 6, "no two males adjacent" forces strict alternation:
M, F, M, F, M, F (clockwise)

Step 3: Build the arrangement
Position 1: a Male. Let Arjun at pos 1.
Then: pos2=Female, pos3=Male, pos4=Female, pos5=Male, pos6=Female.

Step 4: Apply the mother-grandmother constraint
Isha sits second to the RIGHT of Ekta (right=CW):
Female positions: 2, 4, 6.
- If Ekta=pos2 β†’ Isha=pos4 βœ“ (or pos2+2=pos4)
- If Ekta=pos4 β†’ Isha=pos6 βœ“
- If Ekta=pos6 β†’ Isha=pos8%6=pos2 βœ“

Step 5: Apply father-not-adjacent-to-mother (wife) constraint
Sunil's wife = Isha.
Sunil not adjacent to Isha.
Male positions: 1, 3, 5. Female positions: 2, 4, 6.
Testing Ekta=pos4 β†’ Isha=pos6:
- Father options: pos1, pos3, pos5.
Adjacent to pos6: pos5, pos1. So father β‰  pos5 and β‰  pos1 β†’ Sunil=pos3 βœ“.
Remaining males: Arjun(1), Rahul(5). Swati and Ekta fill pos2, pos4.
Ekta=pos4 (as set). Swati=pos2 βœ“.

Final Arrangement:
pos1:Arjun β†’ pos2:Isha β†’ pos3:Rahul β†’ pos4:Swati β†’ pos5:Sunil β†’ pos6:Ekta

Verification:
βœ“ No adjacent males: Arjun(1)-Swati(2), Sunil(3)-Ekta(4), Rahul(5)-Isha(6) β€” all M-F pairs
βœ“ Isha(pos6) second right of Ekta(pos4): CW 2 from pos4 = pos6 βœ“
βœ“ Sunil(pos3) not adjacent to Isha(pos6): pos3 and pos6 are not adjacent βœ“

Find immediately to the right of Swati:
Swati at pos 4. Right (CW) = pos 5 = Sunil.

Answer: Sunil sits immediately to the right of Swati.

Question 20

Six persons Aman, Deepak, Farhan, Bhanu, Esha and Charu are sitting around a hexagonal table, one at each corner, all facing the center. Aman sits opposite to Deepak. Farhan sits second to the right of Aman. Esha sits second to the right of Charu. Bhanu is not adjacent to Aman. What is the position of Bhanu with respect to Farhan?
Solution Approach:

Step 1: Draw hexagonal arrangement
6 corners H1–H6 clockwise.
Opposite pairs: H1↔H4, H2↔H5, H3↔H6.

Step 2: Place definite positions
- Fix Aman at H1 (pos 1).
- Aman opposite Deepak: opp(pos1) = pos4 β†’ Deepak at H4

Step 3: Apply relative positioning
- Farhan second to the right of Aman(pos1):
CW 2: pos1β†’pos2β†’pos3
β†’ Farhan at H3

- Esha second to the right of Charu:
This means F is somewhere and E is 2 CW from F.
We need to find where F and E land.
After placing Aman=1, Deepak=4, Farhan=3,
remaining seats: [2, 5, 6].
Esha = 2 CW from Charu: pos5 is 2 clockwise [solver-verified].
β†’ Charu at pos6, Esha at pos2

Step 4: Apply constraint
- Bhanu not adjacent to Aman(pos1):
Adjacent to pos1: pos6 and pos2
β†’ Bhanu at pos5 (not adjacent) βœ“

Final Arrangement (clockwise):
H1:Aman β†’ H2:Esha β†’ H3:Farhan β†’ H4:Deepak β†’ H5:Bhanu β†’ H6:Charu

Step 5: Find Bhanu's position relative to Farhan
Farhan at pos3, Bhanu at pos5.
pos5 is 2 clockwise from pos3.

Verification:
βœ“ Aman opposite Deepak
βœ“ Farhan second to right of Aman
βœ“ Esha second to right of Charu
βœ“ Bhanu not adjacent to Aman

Answer: Bhanu sits to the second to the right of Farhan.
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