The puzzle
Harsh, Divya, Gauri, Esha sit in a single row, all facing north. Seat 1 is the far-left end and seat 4 is the far-right end. Using the clues below, work out the order from left to right.
- Exactly 1 person sits between Harsh and Gauri.
- Divya sits at the far-right (extreme) end of the row.
- Esha sits immediately to the left of Harsh.
Question: What is the seating order from far-left to far-right?
Reveal the answer
Answer: Gauri, Esha, Harsh, Divya (left to right).
Seat 1GauriSeat 2EshaSeat 3HarshSeat 4Divya
- Start: 24 possible left-to-right orders of 4 people.
- Clue 1 — "Exactly 1 person sits between Harsh and Gauri." leaves 8 possibilities.
- Clue 2 — "Divya sits at the far-right (extreme) end of the row." leaves 2 possibilities.
- Clue 3 — "Esha sits immediately to the left of Harsh." leaves 1 possibility.
- Exactly one order survives every clue — that is the answer.