Question 1
Six persons S, U, P, T, Q and R 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.
P sits at the left extreme end facing South. T sits immediately to the left of U facing North.
R sits at the right extreme end.
Who sits between P 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
- P sits at the left extreme end facing South (↓) → Position 1
Position: P(↓) _ 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 (↓)
- T sits immediately to the left of U (pos 5) facing North (↑) → Position 4
Position: P(↓) _ S(↑) T(↑) U(↓) _
Step 4: Fill remaining positions
Remaining persons: Q, R
Position 2 gets Q, Position 6 gets R
Final Arrangement:
Pos: P(↓) Q(↑) S(↑) T(↑) U(↓) R(↑)
Verification:
✓ S at pos 3, facing North
✓ U at pos 5 (second right of S), facing South (opposite of S)
✓ P at pos 1 (left extreme), facing South
✓ T at pos 4 (immediately left of U), facing North
Person between P (pos 1) and S (pos 3): pos 2 = Q
Answer: Q sits between P and S.
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
- P sits at the left extreme end facing South (↓) → Position 1
Position: P(↓) _ 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 (↓)
- T sits immediately to the left of U (pos 5) facing North (↑) → Position 4
Position: P(↓) _ S(↑) T(↑) U(↓) _
Step 4: Fill remaining positions
Remaining persons: Q, R
Position 2 gets Q, Position 6 gets R
Final Arrangement:
Pos: P(↓) Q(↑) S(↑) T(↑) U(↓) R(↑)
Verification:
✓ S at pos 3, facing North
✓ U at pos 5 (second right of S), facing South (opposite of S)
✓ P at pos 1 (left extreme), facing South
✓ T at pos 4 (immediately left of U), facing North
Person between P (pos 1) and S (pos 3): pos 2 = Q
Answer: Q sits between P and S.