Six boxes, L, M, N, O, P and Q are placed one above another, such that the bottommost box is 1 and the box above it is 2 and so on. Three boxes are placed between P and M, which is placed just below Q, which is not the topmost box. N is placed just above L, which is placed below O. How many boxes are placed between O and Q?
Show answer & explanation
Correct answer: A
Explanation

Three boxes are placed between O and Q