Direction: Study the following information carefully and answer the given questions.

13 boxes M, N, O, P, Q, R, S, T, U, V, W, X and Y are kept in 4 different stacks having 4 shelves one above another. Shelf 2 is just above shelf 1, shelf 3 is just above shelf 2 and so on. Stack 1 is to the west of stack 2, stack 2 is to the west of stack 3, stack 3 is to the west of stack 4. Each box has different numbers in it such as 2, 5, 6, 7, 8, 9, 11, 12, 13, 15, 17, 21 and 23. There are some vacant places but no two or more vacant places are on same number shelf and in same stack.

Box U which has number 5 in it is kept three Boxes above Q but not in stack 2. Box P is kept immediate west of Box R. There is a vacant place in stack 3 but not on shelf 1. Box Q is not kept on the same shelf as Box T which has number 6 in it. Second Box from bottom in stack 4 is vacant. Box P is kept third to the left of Box T. Box P has 2 numbers more than Box Y. The Box with number 8 is kept three stacks away from Box Y. Sum of the numbers of Box S and Y is 26. There is vacant place immediately below and immediately west of Box X which has number 7. Box X is not placed in the corner. Box S is kept three self above box Y. Box Y has 4 numbers more than Box U. Box R is kept immediate North-West of Box N. Box N and Box O are kept on same shelve. Box O has number 23 in it. Box V is not kept with Box O (neither on the same shelf nor in same stack). Sum of all the numbers that are in the boxes which are on shelf 3 is 29. Box M and Box V which has number 13 in it are kept immediate next to each other. Box W is kept immediate right of Box O. Box M has even number in it. The Box which has number 2 is kept immediate left of Box Y. Sum of all the numbers that are in the boxes which are on shelf 2 is 59. Box W has more number than box N.