box based puzzle level 1 test 5

Seven boxes P, Q, R, S, T, U, V are kept one above the other containing different number of chocolates ranging from 10-90. Not more than Four boxes are kept above P. Two boxes are kept between P and the box containing 41 chocolates, which is kept below Box P. S contains thrice number of chocolates than box Q. Box R contains 50 number of chocolates and is not kept at the top. The number of chocolates in box V is a cube of a number. Only one box is kept between box containing 41 chocolates and 39 chocolates. Box S has less number of chocolates than box P. One of the boxes contain 78 chocolates. Five boxes are kept between box containing 64 chocolates and Box R. Box V is immediately above box T. Box S is not kept immediately above or below box Q. Three boxes are kept between box S and box U. Box S is above box V.