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    A, B, C, D, E and F live on six different floors of the same building. The lowermost floor in the building is numbered 1, the floor above it, num
    Question

    A, B, C, D, E and F 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. E lives on a floor which is a prime number. The product of floors on which E and A live is 8. C lives immediately above F. The sum of floors on which A and B live is 7. How many people live between C and E?​

    A.

    One

    B.

    Three

    C.

    Two

    D.

    Four

    Correct option is B

    Given:
    A, B, C, D, E, and F live on six different floors of the same building. 
    ​E lives on a floor which is a prime number.
    The product of floors on which E and A live is 8.
    C lives immediately above F.
    The sum of floors on which A and B live is 7.

    Floor

    Person

    6

    C

    5

    F

    4

    A

    3

    B

    2

    E

    1

    D

    So, there are ​threepeople who live between C and E.
    Thus, the correct option is (b).

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