Seven people — P, Q, R, S, T, U and V — sit in a straight row, all facing north. R sits at one of the extreme ends. Q sits third to the right of R. Exactly two people sit between Q and S. T is an immediate neighbour of S. U sits second to the left of V. P does not sit at any extreme end. Who sits at the extreme right end of the row?

Question

Accepted Answer

S. R must be at the left end so that Q is third to its right (R=1, Q=4). Two people between Q and S puts S at 7; T (neighbour of S) at 6. U second-left of V with the remaining seats 2,3,5 gives U=3, V=5, P=2. Order left→right: R, P, U, Q, V, T, S. The extreme right end is S.

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