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    Question

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

    48, 24.5, ?, 39.75, 81.5, 206.25,

    621.75
    A 25.5 Correct Answer Incorrect Answer
    B 55.22 Correct Answer Incorrect Answer
    C 30.26 Correct Answer Incorrect Answer
    D 45.45 Correct Answer Incorrect Answer
    E none of these Correct Answer Incorrect Answer

    Solution

    ATQ, 48 X (0.5) + 0.5 = 24.5 24.5 X (1) + 1 = 25.5 25.5 X (1.5) + 1.5 = 39.75 39.75 X (2) + 2 = 81.5 81.5 X (2.5) + 2.5 = 206.25 206.25 X (3) + 3 = 621.75

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