Seven boxes M, N, O, P, Q, R and S are kept one over the other but not necessarily in the same order. Only three boxes are kept above P. Only two boxes are kept between P and M . Only R is kept between S and Q. Only N is kept between O and M . Neither Q nor M is at the top most position. Which box is kept between Q and O ?

Only three boxes are kept above P.
Only two boxes are kept between P and M.
Only R is kept between S and Q.
Only N is kept between O and M.
Neither Q nor M is at the topmost position.
According to the given information, Position of boxes will be:

P box is kept between Q and O.

Thus, the correct option is (b) P.