Seven boxes S, P, L, Q, R, M and N are placed one above the other (not necessarily in the same order). Only three boxes are placed between M and L. M and L are placed neither at the bottom nor at the top. Only two boxes are placed between L and N. S is immediately below R. There is only one box between S and Q. M is placed above L. How many boxes are placed between P and N?

Correct option is B

Given:
· Seven boxes S, P, L, Q, R, M and N are placed one above the other.
· Only three boxes are placed between M and L.
· M is placed above L.
· M and L are placed neither at the bottom nor at the top.
· Only two boxes are placed between L and N.
· S is immediately below R.
· There is only one box between S and Q.
From the above given information following arrangement will be-

From the above arrangement there is one box between P and N.
Correct answer is (b) One.