Question

    What should come in place of the question mark (?) in the following number series?

    24,  12,  18, ?,  157.5,  708.75

    A 42 Correct Answer Incorrect Answer
    B 56 Correct Answer Incorrect Answer
    C 45 Correct Answer Incorrect Answer
    D 59 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    24 `xx`  0.5 = 12 12  `xx`  1.5 = 18 18 `xx`  2.5 = 45 45 `xx`  3.5 = 157.5 157.5 `xx`  4.5 = 708.75

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