Answer- Who among the following person doesn’t form a group?

Question

Who among the following person doesn’t form a group?

Answer the questions based on the information given below. There are 12 people M, N, O, P, Q, R, S, T, U, V, W and X who stay on 6 floors (numbered 1 to 6) of a building but not necessarily in the same order. There are two flats on each of the six floors . The flats are numbered as 1 and 2 on each of the floors and are from left to right . Flat no. 1 of the floor no. 2 is exactly above the flat no. 1 of the floor no. 1 and so on. Q and T stay on the same floor above the floor on which O stays, but not immediately above. There are only three floors between T and V, both stay on flat no. 2. O stays just below W and both stays on flat no. 1. O does not stay on even numbered floor. N stays on immediately above P and both stays on the same flat number. P stays on even numbered floor. S stays on the topmost floor. Only three floors between S and M, both stays on a different flat number. X stays below R, both stay in different flat number. There is more than one floor between X and R

A S

B W

C O

D M

E P