Seven friends — P, Q, R, S, T, U and V — sit in a straight row, all facing north. R sits third from the right end. Two persons sit between R and P. Q sits at one of the two extreme ends. T sits second to the right of P. S is an immediate neighbour of R. U sits exactly between P and T. Q sits third to the right of T. If P and Q interchange their positions, who then sits at the extreme right end of the row?

Question

Accepted Answer

P. The row is V, P, U, T, R, S, Q with P at position 2 and Q at the extreme right (position 7). After they swap, P moves to position 7, so P now sits at the extreme right end.

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