Question

Seven boxes M, N, O, W, X, Y and Z are kept one over the

other but not necessarily in the same order. i. N is kept immediately above W. ii. W and Z are kept on two different even numbered positions. iii. There are three boxes between X and Y and two boxes between Y and M. iv. Y is not kept immediately below or above M. v. X is kept immediately above M. vi. O is kept immediately below M. Which box is kept at the lowermost position?

A N

B X

C W

D Y