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    M, N, O, P, Y and Z live on six different floors of the same building. The lowermost floor in the building is numbered 1, the floor above it, num
    Question

    M, N, O, P, Y and Z live on six different floors of the same building. The lowermost floor in the building is numbered 1, the floor above it, number 2 and so on till the topmost floor is numbered 6. O lives on an even numbered floor but not on floor number 4. Only two people live between O and Z. Y lives on an odd numbered floor but not on the lowermost floor. Only two people live between Y and M. P lives immediately below Y. How many people live between N and P?​

    A.

    Three

    B.

    Two

    C.

    One

    D.

    Four

    Correct option is B

    Given:
    M, N, O, P, Y and Z live on six different floors of the same building.
    O lives on an even numbered floor but not on floor number 4.
    Only two people live between O and Z.
    Y lives on an odd numbered floor but not on the lowermost floor.
    Only two people live between Y and M.
    P lives immediately below Y. 
    Floor
    Person
    6
    O
    5
    Y
    4
    P
    3
    Z
    2
    1
    So, two people live between N and P.
    Thus, correct option is (b).

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