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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.
    The product of floors on which E and F live is 10. A lives immediately above C. The sum of floors on which B and E live is 11.
    What is the sum of floors on which C and D live?

    A.

    6

    B.

    4

    C.

    5

    D.

    7

    Correct option is B

    Given - 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.
    The product of floors on which E and F live is 10.
    A lives immediately above C.
    The sum of floors on which B and E live is 11.

    the sum of floors on which C and D live = 3 +1 = 4

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