P, Q, R, S, T, U are 6 persons sitting in a straight line facing north but not in the same order. There are two persons sitting between the P and T. S is to the immediate right of P. R is at the extreme right. Q is second to the left of P .U is sitting between Q & P. Who is sitting at the left end?

T

Answer: T

In this question you need to first place R, then place P and S, then place T