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