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.
- Ira sits opposite Bhavya.
- Omar sits second from one end.
- Laksh sits at an extreme end.
- The person opposite Uma is not at an extreme end.
Question: Who sits directly opposite Omar?
Table Method: Row-1 (top, South-facing) and Row-2 (bottom, North-facing) are parallel.
Fixed: Ira opposite Bhavya. Use the end constraints on Laksh and the non-end constraint for the person opposite Uma.
One valid arrangement:
Row-1 (South, L→R): Ira, Omar, Wafa, Tara
Row-2 (North, L→R): Bhavya, Rhea, Laksh, Uma
Verification:
- Ira sits opposite Bhavya.
- Omar sits second from one end.
- Laksh sits at an extreme end.
- The person opposite Uma is not at an extreme end.
Fixed: Ira opposite Bhavya. Use the end constraints on Laksh and the non-end constraint for the person opposite Uma.
One valid arrangement:
Row-1 (South, L→R): Ira, Omar, Wafa, Tara
Row-2 (North, L→R): Bhavya, Rhea, Laksh, Uma
Verification:
- Ira sits opposite Bhavya.
- Omar sits second from one end.
- Laksh sits at an extreme end.
- The person opposite Uma is not at an extreme end.