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Linear Mixed Facing Directions - Expert Level: conceptual clarity Linear Mixed Facing Directions EXPERT

This skill evaluation ⚡ worksheet focuses on Linear Mixed Facing Directions - a key topic in Seating Arrangement. You'll solve 20 expert-level problems (Worksheet 9 of 10). The primary focus is on conceptual clarity. Master linear mixed facing directions ssc cgl, linear mixed facing directions reasoning tricks, and fast linear mixed facing directions solving through systematic practice.

📝 Worksheet 9 of 10 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Expert level

What you'll learn in this worksheet:
Your progress through Linear Mixed Facing Directions
Worksheet 9 of 10 (88% complete)

Question 1

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

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

Step 2: Apply position-based conditions
- T sits third from the left end facing North (↑) → Position 3
- R sits at the left extreme end facing South (↓) → Position 1

Position: R(↓) _ T(↑) _ _ _

Step 3: Apply relative positioning
- S sits second to the right of T (pos 3) → Position 5
- S faces opposite direction to T (North) → S faces South (↓)
- U sits immediately to the left of S (pos 5) facing North (↑) → Position 4

Position: R(↓) _ T(↑) U(↑) S(↓) _

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

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

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

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

Answer: Q sits between R and T.

Question 2

Six persons P, Q, U, S, T and R are sitting in a row. Some are facing North and some are facing South. P sits third from the left end facing North. Q sits second to the right of P and faces opposite direction. U sits at the left extreme end facing South. S sits immediately to the left of Q facing North. R sits at the right extreme end. Who sits between U 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 (↑) → Position 3
- U sits at the left extreme end facing South (↓) → Position 1

Position: U(↓) _ P(↑) _ _ _

Step 3: Apply relative positioning
- Q sits second to the right of P (pos 3) → Position 5
- Q faces opposite direction to P (North) → Q faces South (↓)
- S sits immediately to the left of Q (pos 5) facing North (↑) → Position 4

Position: U(↓) _ P(↑) S(↑) Q(↓) _

Step 4: Fill remaining positions
Remaining persons: T, R
Position 2 gets T, Position 6 gets R

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

Verification:
✓ P at pos 3, facing North
✓ Q at pos 5 (second right of P), facing South (opposite of P)
✓ U at pos 1 (left extreme), facing South
✓ S at pos 4 (immediately left of Q), facing North

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

Answer: T sits between U and P.

Question 3

Six persons U, Q, P, S, R and T are sitting in a row. Some are facing North and some are facing South. U sits third from the left end facing North. Q sits second to the right of U and faces opposite direction. P sits at the left extreme end facing South. S sits immediately to the left of Q facing North. T sits at the right extreme end. Who sits between P 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 (↑) → Position 3
- P sits at the left extreme end facing South (↓) → Position 1

Position: P(↓) _ U(↑) _ _ _

Step 3: Apply relative positioning
- Q sits second to the right of U (pos 3) → Position 5
- Q faces opposite direction to U (North) → Q faces South (↓)
- S sits immediately to the left of Q (pos 5) facing North (↑) → Position 4

Position: P(↓) _ U(↑) S(↑) Q(↓) _

Step 4: Fill remaining positions
Remaining persons: R, T
Position 2 gets R, Position 6 gets T

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

Verification:
✓ U at pos 3, facing North
✓ Q at pos 5 (second right of U), facing South (opposite of U)
✓ P at pos 1 (left extreme), facing South
✓ S at pos 4 (immediately left of Q), facing North

Person between P (pos 1) and U (pos 3): pos 2 = R

Answer: R sits between P and U.

Question 4

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

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

Step 2: Apply position-based conditions
- Q sits third from the left end facing North (↑) → Position 3
- S sits at the left extreme end facing South (↓) → Position 1

Position: S(↓) _ Q(↑) _ _ _

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

Position: S(↓) _ Q(↑) P(↑) R(↓) _

Step 4: Fill remaining positions
Remaining persons: T, U
Position 2 gets T, Position 6 gets U

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

Verification:
✓ Q at pos 3, facing North
✓ R at pos 5 (second right of Q), facing South (opposite of Q)
✓ S at pos 1 (left extreme), facing South
✓ P at pos 4 (immediately left of R), facing North

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

Answer: T sits between S and Q.

Question 5

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

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

Step 2: Apply position-based conditions
- T sits third from the left end facing North (↑) → Position 3
- U sits at the left extreme end facing South (↓) → Position 1

Position: U(↓) _ T(↑) _ _ _

Step 3: Apply relative positioning
- Q sits second to the right of T (pos 3) → Position 5
- Q faces opposite direction to T (North) → Q faces South (↓)
- P sits immediately to the left of Q (pos 5) facing North (↑) → Position 4

Position: U(↓) _ T(↑) P(↑) Q(↓) _

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

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

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

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

Answer: R sits between U and T.

Question 6

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

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

Step 2: Apply position-based conditions
- Q sits third from the left end facing North (↑) → Position 3
- S sits at the left extreme end facing South (↓) → Position 1

Position: S(↓) _ Q(↑) _ _ _

Step 3: Apply relative positioning
- T sits second to the right of Q (pos 3) → Position 5
- T faces opposite direction to Q (North) → T faces South (↓)
- U sits immediately to the left of T (pos 5) facing North (↑) → Position 4

Position: S(↓) _ Q(↑) U(↑) T(↓) _

Step 4: Fill remaining positions
Remaining persons: R, P
Position 2 gets R, Position 6 gets P

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

Verification:
✓ Q at pos 3, facing North
✓ T at pos 5 (second right of Q), facing South (opposite of Q)
✓ S at pos 1 (left extreme), facing South
✓ U at pos 4 (immediately left of T), facing North

Person between S (pos 1) and Q (pos 3): pos 2 = R

Answer: R sits between S and Q.

Question 7

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

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

Step 2: Apply position-based conditions
- R sits third from the left end facing North (↑) → Position 3
- Q sits at the left extreme end facing South (↓) → Position 1

Position: Q(↓) _ R(↑) _ _ _

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

Position: Q(↓) _ R(↑) U(↑) T(↓) _

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

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

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

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

Answer: P sits between Q and R.

Question 8

Six persons P, T, U, R, 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. T sits second to the right of P and faces opposite direction. U sits at the left extreme end facing South. R sits immediately to the left of T facing North. S sits at the right extreme end. Who sits between U 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 (↑) → Position 3
- U sits at the left extreme end facing South (↓) → Position 1

Position: U(↓) _ P(↑) _ _ _

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

Position: U(↓) _ P(↑) R(↑) T(↓) _

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

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

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

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

Answer: Q sits between U and P.

Question 9

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

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

Step 2: Apply position-based conditions
- T sits third from the left end facing North (↑) → Position 3
- R sits at the left extreme end facing South (↓) → Position 1

Position: R(↓) _ T(↑) _ _ _

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

Position: R(↓) _ T(↑) P(↑) U(↓) _

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

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

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

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

Answer: Q sits between R and T.

Question 10

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

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

Step 2: Apply position-based conditions
- S sits third from the left end facing North (↑) → Position 3
- U sits at the left extreme end facing South (↓) → Position 1

Position: U(↓) _ S(↑) _ _ _

Step 3: Apply relative positioning
- T sits second to the right of S (pos 3) → Position 5
- T faces opposite direction to S (North) → T faces South (↓)
- R sits immediately to the left of T (pos 5) facing North (↑) → Position 4

Position: U(↓) _ S(↑) R(↑) T(↓) _

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

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

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

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

Answer: P sits between U and S.

Question 11

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

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

Step 2: Apply position-based conditions
- S sits third from the left end facing North (↑) → Position 3
- T sits at the left extreme end facing South (↓) → Position 1

Position: T(↓) _ S(↑) _ _ _

Step 3: Apply relative positioning
- U sits second to the right of S (pos 3) → Position 5
- U faces opposite direction to S (North) → U faces South (↓)
- Q sits immediately to the left of U (pos 5) facing North (↑) → Position 4

Position: T(↓) _ S(↑) Q(↑) U(↓) _

Step 4: Fill remaining positions
Remaining persons: R, P
Position 2 gets R, Position 6 gets P

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

Verification:
✓ S at pos 3, facing North
✓ U at pos 5 (second right of S), facing South (opposite of S)
✓ T at pos 1 (left extreme), facing South
✓ Q at pos 4 (immediately left of U), facing North

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

Answer: R sits between T and S.

Question 12

Six persons U, R, P, S, Q and T 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. P sits at the left extreme end facing South. S sits immediately to the left of R facing North. T sits at the right extreme end. Who sits between P 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 (↑) → Position 3
- P sits at the left extreme end facing South (↓) → Position 1

Position: P(↓) _ U(↑) _ _ _

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

Position: P(↓) _ U(↑) S(↑) R(↓) _

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

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

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

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

Answer: Q sits between P and U.

Question 13

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

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

Step 2: Apply position-based conditions
- Q sits third from the left end facing North (↑) → Position 3
- S sits at the left extreme end facing South (↓) → Position 1

Position: S(↓) _ Q(↑) _ _ _

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

Position: S(↓) _ Q(↑) P(↑) U(↓) _

Step 4: Fill remaining positions
Remaining persons: R, T
Position 2 gets R, Position 6 gets T

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

Verification:
✓ Q at pos 3, facing North
✓ U at pos 5 (second right of Q), facing South (opposite of Q)
✓ S at pos 1 (left extreme), facing South
✓ P at pos 4 (immediately left of U), facing North

Person between S (pos 1) and Q (pos 3): pos 2 = R

Answer: R sits between S and Q.

Question 14

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

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

Step 2: Apply position-based conditions
- Q sits third from the left end facing North (↑) → Position 3
- S sits at the left extreme end facing South (↓) → Position 1

Position: S(↓) _ Q(↑) _ _ _

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

Position: S(↓) _ Q(↑) P(↑) R(↓) _

Step 4: Fill remaining positions
Remaining persons: U, T
Position 2 gets U, Position 6 gets T

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

Verification:
✓ Q at pos 3, facing North
✓ R at pos 5 (second right of Q), facing South (opposite of Q)
✓ S at pos 1 (left extreme), facing South
✓ P at pos 4 (immediately left of R), facing North

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

Answer: U sits between S and Q.

Question 15

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

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

Step 2: Apply position-based conditions
- R sits third from the left end facing North (↑) → Position 3
- T sits at the left extreme end facing South (↓) → Position 1

Position: T(↓) _ R(↑) _ _ _

Step 3: Apply relative positioning
- S sits second to the right of R (pos 3) → Position 5
- S faces opposite direction to R (North) → S faces South (↓)
- Q sits immediately to the left of S (pos 5) facing North (↑) → Position 4

Position: T(↓) _ R(↑) Q(↑) S(↓) _

Step 4: Fill remaining positions
Remaining persons: P, U
Position 2 gets P, Position 6 gets U

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

Verification:
✓ R at pos 3, facing North
✓ S at pos 5 (second right of R), facing South (opposite of R)
✓ T at pos 1 (left extreme), facing South
✓ Q at pos 4 (immediately left of S), facing North

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

Answer: P sits between T and R.

Question 16

Six persons U, Q, S, T, R and P are sitting in a row. Some are facing North and some are facing South. U sits third from the left end facing North. Q sits second to the right of U and faces opposite direction. S sits at the left extreme end facing South. T sits immediately to the left of Q facing North. P sits at the right extreme end. Who sits between S 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 (↑) → Position 3
- S sits at the left extreme end facing South (↓) → Position 1

Position: S(↓) _ U(↑) _ _ _

Step 3: Apply relative positioning
- Q sits second to the right of U (pos 3) → Position 5
- Q faces opposite direction to U (North) → Q faces South (↓)
- T sits immediately to the left of Q (pos 5) facing North (↑) → Position 4

Position: S(↓) _ U(↑) T(↑) Q(↓) _

Step 4: Fill remaining positions
Remaining persons: R, P
Position 2 gets R, Position 6 gets P

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

Verification:
✓ U at pos 3, facing North
✓ Q at pos 5 (second right of U), facing South (opposite of U)
✓ S at pos 1 (left extreme), facing South
✓ T at pos 4 (immediately left of Q), facing North

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

Answer: R sits between S and U.

Question 17

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

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

Step 2: Apply position-based conditions
- T sits third from the left end facing North (↑) → Position 3
- S sits at the left extreme end facing South (↓) → Position 1

Position: S(↓) _ T(↑) _ _ _

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

Position: S(↓) _ T(↑) U(↑) P(↓) _

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

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

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

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

Answer: R sits between S and T.

Question 18

Six persons P, S, U, R, Q and T are sitting in a row. Some are facing North and some are facing South. P sits third from the left end facing North. S sits second to the right of P and faces opposite direction. U sits at the left extreme end facing South. R sits immediately to the left of S facing North. T sits at the right extreme end. Who sits between U 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 (↑) → Position 3
- U sits at the left extreme end facing South (↓) → Position 1

Position: U(↓) _ P(↑) _ _ _

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

Position: U(↓) _ P(↑) R(↑) S(↓) _

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

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

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

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

Answer: Q sits between U and P.

Question 19

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

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

Step 2: Apply position-based conditions
- T sits third from the left end facing North (↑) → Position 3
- P sits at the left extreme end facing South (↓) → Position 1

Position: P(↓) _ T(↑) _ _ _

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

Position: P(↓) _ T(↑) R(↑) U(↓) _

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

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

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

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

Answer: S sits between P and T.

Question 20

Six persons U, Q, S, R, P and T are sitting in a row. Some are facing North and some are facing South. U sits third from the left end facing North. Q sits second to the right of U and faces opposite direction. S sits at the left extreme end facing South. R sits immediately to the left of Q facing North. T sits at the right extreme end. Who sits between S 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 (↑) → Position 3
- S sits at the left extreme end facing South (↓) → Position 1

Position: S(↓) _ U(↑) _ _ _

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

Position: S(↓) _ U(↑) R(↑) Q(↓) _

Step 4: Fill remaining positions
Remaining persons: P, T
Position 2 gets P, Position 6 gets T

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

Verification:
✓ U at pos 3, facing North
✓ Q at pos 5 (second right of U), facing South (opposite of U)
✓ S at pos 1 (left extreme), facing South
✓ R at pos 4 (immediately left of Q), facing North

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

Answer: P sits between S and U.
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