question_answer

In an office, each of the nine employees - P, Q, R, S, T, U, V, W and X - is to be assigned his or her own mail box. The boxes, which are all the same size, are arranged in three rows of three boxes each with each box directly above and/or below another box. The boxes are numbered from left or right -1 to 3 in the top row, 4 to 6 in the middle row and 7 to 9 in the bottom row. The assignments are subject to the following restrictions. P is to be assigned box 5. Q is to be assigned the box directly above T?s box. R is to be assigned a box in the bottom row. U is to be assigned the box directly to the left of V's box. X is to be assigned the box directly above P's box.

Which of the following could be assigned the box directly above R's box?

A)  P                           

B)         Q

C)  S                              

D)         U