Question 1
Eight people sit in two rows of four each. Row-1 faces south and Row-2 faces north. Opposite seats align by index.
- Laksh sits opposite Fatima.
- Priya sits second from one end.
- Xavier sits at an extreme end.
- The person opposite Nihal is not at an extreme end.
Question: Who sits directly opposite Laksh?
Table Method: Row-1 (top, South-facing) and Row-2 (bottom, North-facing) are parallel.
Fixed: Laksh opposite Fatima. Use the end constraints on Xavier and the non-end constraint for the person opposite Nihal.
One valid arrangement:
Row-1 (South, L→R): Laksh, Priya, Tara, Jatin
Row-2 (North, L→R): Fatima, Gaurav, Xavier, Nihal
Verification:
- Laksh sits opposite Fatima.
- Priya sits second from one end.
- Xavier sits at an extreme end.
- The person opposite Nihal is not at an extreme end.
Fixed: Laksh opposite Fatima. Use the end constraints on Xavier and the non-end constraint for the person opposite Nihal.
One valid arrangement:
Row-1 (South, L→R): Laksh, Priya, Tara, Jatin
Row-2 (North, L→R): Fatima, Gaurav, Xavier, Nihal
Verification:
- Laksh sits opposite Fatima.
- Priya sits second from one end.
- Xavier sits at an extreme end.
- The person opposite Nihal is not at an extreme end.