Seating Arrangement - Intermediate Level: mixed directions INTERMEDIATE

Boost your speed and accuracy with this adaptive style πŸ“ˆ worksheet. Worksheet 15 of 30 presents 20 intermediate-level seating arrangement problems. Focus on mixed directions while practicing circular seating, linear arrangement, row seating. Difficulty: moderate complexity with mixed patterns. Perfect for mid-level test takers.

πŸ“ Worksheet 15 of 30 β€’ 20 questions β€’ ⏱️ Estimated time: 20 minutes β€’ 🎯 Intermediate level

What you'll learn in this worksheet:
Your progress through Seating Arrangement
Worksheet 15 of 30 (50% complete)

Question 1

There are 10 seats in a row, all facing North. 8 persons H, C, D, G, E, B, F and A are seated, leaving 2 seats empty. H sits at seat 3. A sits at seat 8. One empty seat is at an extreme end. C sits immediately to the right of an empty seat. G sits fourth to the left of A. How many persons sit between the two empty seats?
Solution Approach:

Step 1: Mark total positions
Seats: 1 2 3 4 5 6 7 8 9 10
Total: 10 seats, 8 persons, 2 empty.

Step 2: Place definite positions
- H at seat 3
- A at seat 8 (seat 8)
- One empty seat at extreme end β†’ seat 1 is empty

Seat: 1(_) 2(_) 3(H) 4(_) 5(_) 6(_) 7(_) 8(A) 9(_) 10(_)

Step 3: Apply empty seat adjacency
- C sits immediately to the RIGHT of an empty seat
- Empty at seat 1 β†’ seat 2 = C βœ“

Seat: 1(_) 2(C) 3(H) 4(_) 5(_) 6(_) 7(_) 8(A) 9(_) 10(_)

Step 4: Apply "fourth to the left" condition
- G sits fourth to the LEFT of A (seat 8)
- Fourth to left: 8 β†’ 7 β†’ 6 β†’ 5 β†’ 4
- G at seat 4 βœ“

Seat: 1(_) 2(C) 3(H) 4(G) 5(_) 6(_) 7(_) 8(A) 9(_) 10(_)

Step 5: Locate second empty seat
Remaining persons: E, B, F, D β†’ fill seats 5, 6, 7, 9, 10 minus one empty.
After placing E(5), B(6), F(7), D(10): seat 9 is empty.

Step 6: Final arrangement
Seat: 1(_) 2(C) 3(H) 4(G) 5(E) 6(B) 7(F) 8(A) 9(_) 10(D)

Count persons between empty seats (seat 1 and seat 9):
Seats 2 through 8: C, H, G, E, B, F, A = 7 persons

Verification:
βœ“ H at seat 3
βœ“ A at seat 8
βœ“ Empty at seat 1 (extreme end)
βœ“ C immediately right of empty seat 1
βœ“ G fourth to left of A (seat 4 = seat 8 - 4)

Answer: 7 persons sit between the two empty seats.

Question 2

Six persons Esha, Deepak, Bhanu, Charu, Farhan and Aman are sitting around a hexagonal table, one at each corner, all facing the center. Esha sits opposite to Deepak. Bhanu sits second to the right of Esha. Farhan sits second to the right of Aman. Charu is not adjacent to Esha. What is the position of Charu with respect to Bhanu?
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 Esha at H1 (pos 1).
- Esha opposite Deepak: opp(pos1) = pos4 β†’ Deepak at H4

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

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

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

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

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

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

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

Question 3

Eight persons are sitting in two concentric circles. Inner circle: A, C, B and D (4 persons) facing the center. Outer circle: Q, R, P and S (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). Q faces A. C sits immediately to the right of A in the inner circle. D sits opposite to C in the inner circle. R sits second to the right of P in the outer circle. S sits immediately to the left of an empty seat in the outer circle. Who sits opposite to C 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
- C sits immediately to the right of A (inner circle, facing center: right=CW)
β†’ A and C are adjacent. Possible: A=I1, C=I2 or A=I2, C=I3, etc.
- D sits opposite to C:
If C=I2, then D=I4. Then A=I1 (left of I2), B=I3 (remaining).
All constraints consistent βœ“.

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

Step 4: Place outer circle persons
- Q faces A(I1) β†’ Q at O1 βœ“
- Outer occupied seats: O1, O2, O4, O5. Empty: O3, O6.
- R second to right of P (outer, facing center: right=CW, step 2):
Remaining outer persons: R,P,S 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—
∴ P=O2, R=O4, S=O5 βœ“
- S(O5) immediately to the LEFT of an empty:
Left(CW) of O5 = O4(R) 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
C is at I2. Opposite of I2 = I4 = D.

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

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

Answer: D sits opposite to C.

Question 4

Ten persons I, B, A, E, C, F, D, G, H and J are sitting around a rectangular table. Three persons sit on each longer side, two on each shorter side, all facing the center. I sits at the middle of a longer side. B sits at the middle of a shorter side. A sits second to the right of I. C sits at a corner and E sits at the corner opposite to C. Who sits second to the left of B?
Solution Approach:

Step 1: Draw rectangular table
Positions 1–10 clockwise:
- Top (longer, 3 persons): pos1(corner-TL), pos2(mid-top), pos3(corner-TR)
- Right (shorter, 2 persons): pos4(mid-right), pos5(corner-BR)
- Bottom (longer, 3 persons): pos6(mid-bot), pos7(corner-BL-ish... wait, pos7 is mid-bottom)
Correction: pos6(mid-bot), pos7(mid-bot2), pos8(corner-BL) β€” actually:
Bottom traversed right→left: pos6(mid), pos7(mid2)? For 3 persons: corner is shared with adjacent side.
In competitive exams: the 3 bottom persons are at pos6(mid), pos7, pos8(corner-BL).
Actually pos6,7,8 with pos8=BL-corner and pos5=BR-corner. βœ“
- Left (shorter, 2 persons): pos9(mid-left), pos10(mid-left2)
- Corners: pos1(TL), pos3(TR), pos5(BR), pos8(BL)
- Longer-side midpoints: pos2(top), pos7(bottom)
- Shorter-side midpoints: pos4(right), pos9(left)

Step 2: Place persons
- I at middle of longer side β†’ pos 7 (mid-bottom)
- B at middle of shorter side β†’ pos 4 (mid-right)
- A second to the RIGHT of I (pos 7):
right(center-facing)=CW: pos7+2 = pos9 β†’ A βœ“
- C at a corner β†’ pos 1
- E at corner OPPOSITE to C: pos5 β†’ E βœ“
- F second to the LEFT of B (pos 4):
left(center-facing)=anti-CW: pos4-2 = pos2 β†’ F βœ“

Step 3: Fill remaining positions
Remaining persons: D, G, H, J
Remaining seats: [3, 6, 8, 10]

Final Arrangement (clockwise):
pos1:C | pos2:F | pos3:D | pos4:B | pos5:E | pos6:G | pos7:I | pos8:H | pos9:A | pos10:J

Find second to the left of B (pos 4):
Left (anti-CW): pos4 β†’ pos3 β†’ pos2 = F

Answer: F sits second to the left of B.

Question 5

Six persons L, O, P, K, M and N sit around a circular table facing outward. O sits second to the left of L. P sits opposite to O. K sits immediately to the right of P. M sits opposite to L. 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 L at position 1.
- O sits second to the LEFT of L: left(outward)=CW, so O is 2 CW from L.
pos[O] = 3
- P sits opposite O (pos 3): pos 6
- K sits immediately to the RIGHT of P (pos 6):
right(outward)=anti-CW β†’ pos 5
- M sits opposite L (pos 1): pos 4
- Remaining N fills pos 2.

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

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

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

Answer: M sits immediately to the left of O.

Question 6

Five persons Y, X, Z, V and W are to be seated in a row facing North. The following conditions apply: - If Y sits at an extreme end, then Z must sit immediately next to X - If Y does not sit at an extreme end, then V must sit at an extreme end - W cannot sit next to Y - X sits second from the left Which of the following must be FALSE?
Solution Approach:

Step 1: Apply the fixed condition
- X sits second from the left β†’ X at position 2 (fixed)

Step 2: Enumerate all valid arrangements
Testing all 120 possible arrangements with X at pos 2, applying all conditions.
7 valid arrangement(s) found.

Valid arrangement(s):
β€’ Y X Z V W
β€’ Y X Z W V
β€’ Z X W V Y
β€’ V X Y Z W
β€’ W X Y Z V
β€’ W X Z Y V
(shown up to 6)

Step 3: Test each MCQ option

- "X sits at position 2": βœ“ Possible in at least one valid arrangement
- "Z sits at position 1": βœ“ Possible in at least one valid arrangement
- "V sits at position 1": βœ“ Possible in at least one valid arrangement
- "Y sits at position 2": βœ— NEVER possible β†’ must be FALSE

Step 4: Conclusion
"Y sits at position 2" is impossible in ALL 7 valid arrangement(s) β€” it must be FALSE.
All other options occur in at least one valid arrangement.

Answer: "Y sits at position 2" must be FALSE.

Question 7

Five friends P, T, R, Q and S are sitting in a row facing South. P sits at the right extreme end. T sits second to the right of R. S sits immediately to the right of R (from viewer's perspective). Q is not adjacent to P. 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
- P at the right extreme end β†’ Position 5
- T sits second to the right of R:
South-facing right = viewer's left = lower position: pos[T] = pos[R] - 2
Possible: R=3β†’T=1, or R=4β†’T=2
- S sits immediately to the right of R (viewer's right = higher pos): pos[S] = pos[R] + 1
If R=3 β†’ S=4 βœ“ (pos 4 free)
If R=4 β†’ S=5 = P βœ— (conflict)
∴ R=3, T=1, S=4

Position: T _ R S P

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

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

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

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

Question 8

Eight persons E, H, F, G, D, B, A and C are sitting around a square table. Four persons sit at corners and four at the middle of sides, all facing the center. E sits at a corner. H sits second to the right of E. F sits at the middle of a side and is not adjacent to E. G sits opposite to E. D sits at a corner immediately to the right of F. B sits immediately to the left of H. A is not adjacent to G. How many persons sit between E and G when counted from the left of E?
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
- E sits at a corner β†’ pos 1
- H sits second to the RIGHT of E: right(center-facing)=CW
2 CW from pos 1 β†’ pos 3 βœ“ (corner)
- G sits OPPOSITE E (pos 1) β†’ pos 5 βœ“
- F at midpoint, NOT adjacent to E(pos 1):
Adjacent to pos 1: pos 8 and pos 2
F β†’ pos 6 (midpoint, not adjacent) βœ“
- D sits at corner immediately to the RIGHT of F(pos 6):
1 CW from pos 6 β†’ pos 7 (corner) βœ“

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

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

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

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

Question 9

Six persons Bhanu, Esha, Farhan, Deepak, Charu and Aman are sitting around a hexagonal table, one at each corner, all facing the center. Bhanu sits opposite to Esha. Farhan sits second to the right of Bhanu. Charu sits second to the right of Aman. Deepak is not adjacent to Bhanu. What is the position of Deepak 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 Bhanu at H1 (pos 1).
- Bhanu opposite Esha: opp(pos1) = pos4 β†’ Esha at H4

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

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

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

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

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

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

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

Question 10

Six persons Charu, Farhan, Esha, Aman, Bhanu and Deepak are sitting around a hexagonal table, one at each corner, all facing the center. Charu sits opposite to Farhan. Esha sits second to the right of Charu. Bhanu sits second to the right of Deepak. Aman is not adjacent to Charu. What is the position of Aman with respect to Esha?
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 Charu at H1 (pos 1).
- Charu opposite Farhan: opp(pos1) = pos4 β†’ Farhan at H4

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

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

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

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

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

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

Answer: Aman sits to the second to the right of Esha.

Question 11

Two parallel rows of chairs. Row 1 has A, B, D, E and C facing South. Row 2 has S, P, T, Q and R facing North. Each person in one row faces exactly one person from the other row. D sits fourth from the left end of Row 1. S faces D. A sits at an extreme end of Row 1. B sits second to the right of A. P sits second to the left of S. T sits at an extreme end of Row 2. R is not adjacent to S 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
- D sits 4th from the left end of Row 1 β†’ Row 1, pos 4
- A sits at an extreme end: pos 1 or pos 5
- B sits second to the RIGHT of A (south-facing β†’ lower position):
pos[B] = pos[A] - 2
If A at pos 1 β†’ pos[B] = -1 (invalid βœ—)
If A at pos 5 β†’ pos[B] = 3 βœ“ (pos 3 is free)
∴ A at pos 5, B at pos 3 βœ“

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

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

Row 2: R P Q S T

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

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

Answer: Q faces B.

Question 12

Five persons Z, X, V, Y and W are to be seated in a row facing North. The following conditions apply: - If Z sits at an extreme end, then V must sit immediately next to X - If Z does not sit at an extreme end, then Y must sit at an extreme end - W cannot sit next to Z - X sits second from the left Which of the following must be FALSE?
Solution Approach:

Step 1: Apply the fixed condition
- X sits second from the left β†’ X at position 2 (fixed)

Step 2: Enumerate all valid arrangements
Testing all 120 possible arrangements with X at pos 2, applying all conditions.
7 valid arrangement(s) found.

Valid arrangement(s):
β€’ Z X V Y W
β€’ Z X V W Y
β€’ V X W Y Z
β€’ Y X Z V W
β€’ W X Z V Y
β€’ W X V Z Y
(shown up to 6)

Step 3: Test each MCQ option

- "W sits at position 5": βœ“ Possible in at least one valid arrangement
- "Z sits at position 3": βœ“ Possible in at least one valid arrangement
- "V sits at position 3": βœ“ Possible in at least one valid arrangement
- "Z sits at position 2": βœ— NEVER possible β†’ must be FALSE

Step 4: Conclusion
"Z sits at position 2" is impossible in ALL 7 valid arrangement(s) β€” it must be FALSE.
All other options occur in at least one valid arrangement.

Answer: "Z sits at position 2" must be FALSE.

Question 13

Six persons Amit, Bina, Divya, Eshaan, Chetan and Falguni are sitting in a row facing North. Each has a different profession: Doctor, Architect, Teacher, Engineer, Banker and Lawyer. Amit is a Doctor and sits third from the left. The Architect sits second from the left. Bina sits second to the right of the Architect. The Banker sits immediately to the right of Amit. Chetan is a Teacher and is not adjacent to Amit. The Engineer sits at the right extreme end. Falguni sits at an extreme end. Eshaan is not at an extreme end. What is the profession of Eshaan?
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 Doctor, sits at position 3
- The Architect sits second from the left β†’ position 2
(Which person is the Architect? Must be Divya, the only one unassigned here β€” verified below.)
- Bina sits second to the right of the Architect (pos 2): 2+2 = pos 4 β†’ Bina at position 4

Position: _ [Architect] Amit Bina _ _
Profsn: _ Architect Doctor _ _ _

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

Position: _ [Architect] Amit Bina _ [law]
Profsn: _ Architect Doctor Banker _ Engineer

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

Position: _ Divya Amit Bina _ _
Profsn: _ Architect Doctor Banker _ _

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

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

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

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

Answer: Eshaan's profession is Lawyer.

Question 14

There are 10 seats in a row, all facing North. 8 persons G, C, B, D, H, E, A and F are seated, leaving 2 seats empty. G sits at seat 3. F sits at seat 8. One empty seat is at an extreme end. C sits immediately to the right of an empty seat. D sits fourth to the left of F. How many persons sit between the two empty seats?
Solution Approach:

Step 1: Mark total positions
Seats: 1 2 3 4 5 6 7 8 9 10
Total: 10 seats, 8 persons, 2 empty.

Step 2: Place definite positions
- G at seat 3
- F at seat 8 (seat 8)
- One empty seat at extreme end β†’ seat 1 is empty

Seat: 1(_) 2(_) 3(G) 4(_) 5(_) 6(_) 7(_) 8(F) 9(_) 10(_)

Step 3: Apply empty seat adjacency
- C sits immediately to the RIGHT of an empty seat
- Empty at seat 1 β†’ seat 2 = C βœ“

Seat: 1(_) 2(C) 3(G) 4(_) 5(_) 6(_) 7(_) 8(F) 9(_) 10(_)

Step 4: Apply "fourth to the left" condition
- D sits fourth to the LEFT of F (seat 8)
- Fourth to left: 8 β†’ 7 β†’ 6 β†’ 5 β†’ 4
- D at seat 4 βœ“

Seat: 1(_) 2(C) 3(G) 4(D) 5(_) 6(_) 7(_) 8(F) 9(_) 10(_)

Step 5: Locate second empty seat
Remaining persons: H, E, A, B β†’ fill seats 5, 6, 7, 9, 10 minus one empty.
After placing H(5), E(6), A(7), B(10): seat 9 is empty.

Step 6: Final arrangement
Seat: 1(_) 2(C) 3(G) 4(D) 5(H) 6(E) 7(A) 8(F) 9(_) 10(B)

Count persons between empty seats (seat 1 and seat 9):
Seats 2 through 8: C, G, D, H, E, A, F = 7 persons

Verification:
βœ“ G at seat 3
βœ“ F at seat 8
βœ“ Empty at seat 1 (extreme end)
βœ“ C immediately right of empty seat 1
βœ“ D fourth to left of F (seat 4 = seat 8 - 4)

Answer: 7 persons sit between the two empty seats.

Question 15

Five friends S, P, T, R and Q are sitting in a row facing South. S sits at the right extreme end. P sits second to the right of T. Q sits immediately to the right of T (from viewer's perspective). R is not adjacent to S. 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
- S at the right extreme end β†’ Position 5
- P sits second to the right of T:
South-facing right = viewer's left = lower position: pos[P] = pos[T] - 2
Possible: T=3β†’P=1, or T=4β†’P=2
- Q sits immediately to the right of T (viewer's right = higher pos): pos[Q] = pos[T] + 1
If T=3 β†’ Q=4 βœ“ (pos 4 free)
If T=4 β†’ Q=5 = S βœ— (conflict)
∴ T=3, P=1, Q=4

Position: P _ T Q S

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

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

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

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

Question 16

Three parallel rows of chairs. Row 1 has C, B, A, D facing South. Row 2 has S, R, Q, P facing North. Row 3 has Z, Y, W, X facing South. Row 2 is between Row 1 and Row 3. Persons in Row 1 face persons in Row 2, and persons in Row 2 face persons in Row 3. C faces S who faces Z. B sits to the left of C in Row 1. R faces B and also faces Y. Q sits second to the right of R in Row 2. Who sits at the right extreme of Row 3?
Solution Approach:

Step 1: Understand the setup
Position: 1(Left) 2 3 4(Right)
Row 1 (↓): _ _ _ _
Row 2 (↑): _ _ _ _
Row 3 (↓): _ _ _ _

Facing: Row 1 pos i faces Row 2 pos i; Row 2 pos i faces Row 3 pos i.
(Using viewer's perspective: left=position 1, right=position 4)

Step 2: Apply facing relationships
- C faces S who faces Z: all three in the SAME vertical column.
Place at position 2:
Row1: _ C _ _
Row2: _ S _ _
Row3: _ Z _ _

Step 3: Apply left-right conditions
- B sits to the left of C(pos 2) in Row 1 β†’ B at position 1
Row1: B C _ _

Step 4: Second facing relationship
- R faces B(Row1 pos1) β†’ R at Row2 position 1
- R faces Y β†’ Y at Row3 position 1
Row1: B C _ _
Row2: R S _ _
Row3: Y Z _ _

Step 5: Apply relative positioning in Row 2
- Q sits second to the right of R(pos1): 1+2=3 β†’ Q at Row2 position 3
Row2: R S Q _
Q faces Row1 pos3 β†’ A at Row1 pos3 βœ“
Q faces Row3 pos3 β†’ W at Row3 pos3 βœ“

Step 6: Fill remaining positions
Remaining: Row1 pos4=D, Row2 pos4=P, Row3 pos4=X

Final Arrangement:
Position: 1 2 3 4
Row 1 (↓): B C A D
Row 2 (↑): R S Q P
Row 3 (↓): Y Z W X

Right extreme of Row 3 = position 4 = X

Answer: X

Question 17

Five persons V, X, Z, Y and W are to be seated in a row facing North. The following conditions apply: - If V sits at an extreme end, then Z must sit immediately next to X - If V does not sit at an extreme end, then Y must sit at an extreme end - W cannot sit next to V - X sits second from the left Which of the following must be FALSE?
Solution Approach:

Step 1: Apply the fixed condition
- X sits second from the left β†’ X at position 2 (fixed)

Step 2: Enumerate all valid arrangements
Testing all 120 possible arrangements with X at pos 2, applying all conditions.
7 valid arrangement(s) found.

Valid arrangement(s):
β€’ V X Z Y W
β€’ V X Z W Y
β€’ Z X W Y V
β€’ Y X V Z W
β€’ W X V Z Y
β€’ W X Z V Y
(shown up to 6)

Step 3: Test each MCQ option

- "Z sits at position 3": βœ“ Possible in at least one valid arrangement
- "V sits at position 2": βœ— NEVER possible β†’ must be FALSE
- "X sits at position 2": βœ“ Possible in at least one valid arrangement
- "V sits at position 1": βœ“ Possible in at least one valid arrangement

Step 4: Conclusion
"V sits at position 2" is impossible in ALL 7 valid arrangement(s) β€” it must be FALSE.
All other options occur in at least one valid arrangement.

Answer: "V sits at position 2" must be FALSE.

Question 18

Eight persons are sitting in two concentric circles. Inner circle: B, C, D and A (4 persons) facing the center. Outer circle: P, S, Q and R (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). P faces B. C sits immediately to the right of B in the inner circle. A sits opposite to C in the inner circle. S sits second to the right of Q in the outer circle. R sits immediately to the left of an empty seat in the outer circle. Who sits opposite to C 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
- C sits immediately to the right of B (inner circle, facing center: right=CW)
β†’ B and C are adjacent. Possible: B=I1, C=I2 or B=I2, C=I3, etc.
- A sits opposite to C:
If C=I2, then A=I4. Then B=I1 (left of I2), D=I3 (remaining).
All constraints consistent βœ“.

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

Step 4: Place outer circle persons
- P faces B(I1) β†’ P 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,R 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, R=O5 βœ“
- R(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
C is at I2. Opposite of I2 = I4 = A.

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

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

Answer: A sits opposite to C.

Question 19

Six persons Aman, Esha, Farhan, Charu, Bhanu and Deepak are sitting around a hexagonal table, one at each corner, all facing the center. Aman sits opposite to Esha. Farhan sits second to the right of Aman. Bhanu sits second to the right of Deepak. Charu is not adjacent to Aman. What is the position of Charu 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 Esha: opp(pos1) = pos4 β†’ Esha at H4

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

- Bhanu second to the right of Deepak:
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, Esha=4, Farhan=3,
remaining seats: [2, 5, 6].
Bhanu = 2 CW from Deepak: pos5 is 2 clockwise [solver-verified].
β†’ Deepak at pos6, Bhanu at pos2

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

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

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

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

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

Question 20

Ten persons E, C, I, F, A, B, J, D, H and G are sitting around a rectangular table. Three persons sit on each longer side, two on each shorter side, all facing the center. E sits at the middle of a longer side. C sits at the middle of a shorter side. I sits second to the right of E. A sits at a corner and F sits at the corner opposite to A. Who sits second to the left of C?
Solution Approach:

Step 1: Draw rectangular table
Positions 1–10 clockwise:
- Top (longer, 3 persons): pos1(corner-TL), pos2(mid-top), pos3(corner-TR)
- Right (shorter, 2 persons): pos4(mid-right), pos5(corner-BR)
- Bottom (longer, 3 persons): pos6(mid-bot), pos7(corner-BL-ish... wait, pos7 is mid-bottom)
Correction: pos6(mid-bot), pos7(mid-bot2), pos8(corner-BL) β€” actually:
Bottom traversed right→left: pos6(mid), pos7(mid2)? For 3 persons: corner is shared with adjacent side.
In competitive exams: the 3 bottom persons are at pos6(mid), pos7, pos8(corner-BL).
Actually pos6,7,8 with pos8=BL-corner and pos5=BR-corner. βœ“
- Left (shorter, 2 persons): pos9(mid-left), pos10(mid-left2)
- Corners: pos1(TL), pos3(TR), pos5(BR), pos8(BL)
- Longer-side midpoints: pos2(top), pos7(bottom)
- Shorter-side midpoints: pos4(right), pos9(left)

Step 2: Place persons
- E at middle of longer side β†’ pos 7 (mid-bottom)
- C at middle of shorter side β†’ pos 4 (mid-right)
- I second to the RIGHT of E (pos 7):
right(center-facing)=CW: pos7+2 = pos9 β†’ I βœ“
- A at a corner β†’ pos 1
- F at corner OPPOSITE to A: pos5 β†’ F βœ“
- B second to the LEFT of C (pos 4):
left(center-facing)=anti-CW: pos4-2 = pos2 β†’ B βœ“

Step 3: Fill remaining positions
Remaining persons: J, D, H, G
Remaining seats: [3, 6, 8, 10]

Final Arrangement (clockwise):
pos1:A | pos2:B | pos3:J | pos4:C | pos5:F | pos6:D | pos7:E | pos8:H | pos9:I | pos10:G

Find second to the left of C (pos 4):
Left (anti-CW): pos4 β†’ pos3 β†’ pos2 = B

Answer: B sits second to the left of C.
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