The puzzle
Tarun, Karan, Nikhil, Neha, Rohan sit in a single row, all facing north. Seat 1 is the far-left end and seat 5 is the far-right end. Using the clues below, work out the order from left to right.
- Nikhil sits immediately to the right of Karan.
- Exactly 2 people sit between Tarun and Karan.
- Neha sits immediately to the right of Rohan.
Question: What is the seating order from far-left to far-right?
Reveal the answer
Answer: Tarun, Rohan, Neha, Karan, Nikhil (left to right).
Seat 1TarunSeat 2RohanSeat 3NehaSeat 4KaranSeat 5Nikhil
- Start: 120 possible left-to-right orders of 5 people.
- Clue 1 — "Nikhil sits immediately to the right of Karan." leaves 24 possibilities.
- Clue 2 — "Exactly 2 people sit between Tarun and Karan." leaves 6 possibilities.
- Clue 3 — "Neha sits immediately to the right of Rohan." leaves 1 possibility.
- Exactly one order survives every clue — that is the answer.