Seven people M, N, O, P, Q, R and S live on separate floors of a 7-floor building but not necessarily in the same order. Ground floor is as `1^(st)` floor, just above floor is as `2^(nd)` floor and so on until the topmost floor is as `7^(th)` floor. All persons like different colors i.e. Blue, Pink, Red, White, Green, Saffron and Yellow again not in the same order.
S lives on an even numbered floor. There are three persons live between S and the one who likes Saffron. There is one floor gap between the persons who like Red and Saffron. N likes Green. R lives just above the O's floor. There is one floor gap between the persons who like red and yellow. There are more than three floors gap between M, who likes white and the one who likes yellow. P lives just below of the one who likes Blue. Q lives below the N's floor. The number of persons live between O and N' is the same as between N and Q.
If we interchanged S and O's floor, then who among the following person lives just below the O's floor?

Options

A. R
B. P
C. N
D. O

Answer

D

Explanation

From the given statements , S lives on an even numbered floor. There are the persons live between S and the one who likes Saffron . Here we get two possibilites i.e., Case 1 and Case 2 . There is one floor gap between the persons who like Red and Saffron . There is one floor gap between the personal who like red and yellow . There are more than three floors gap between M, likes white and the one who likes yellow.

From the given statements , P lives just below of the one who likes Blue . Here one more case is adding i.e. Case 2a. R Lives just above the O.s floor . N likes Green Q lives below the N.s floor .

From the given statments , the number of person live between O and N is the same as between N and Q. Now Case 2 and Case 2a are eliminated .
So , the final arragement is such as -