Six boys – P, Q, R, S, T and U – are sitting around a circular table, not necessarily in the same order. P and S are sitting together. Neither Q nor T is sitting adjacent to either P or S. Who is sitting opposite R?

Given: 

Six boys – P, Q, R, S, T and U – are sitting around a circular table, not necessarily in the same order.

P and S are sitting together.

Neither Q nor T is sitting adjacent to either P or S.

U is sitting opposite R.

Thus, correct option is (c).