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    Question

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

    4, 5, 11, 34, 137,

    ?
    A 660 Correct Answer Incorrect Answer
    B 686 Correct Answer Incorrect Answer
    C 587 Correct Answer Incorrect Answer
    D 652 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, The given series follows the following pattern: 4 X 1 + 1 = 5 8 X 2 + 1 = 11 24 X 3 + 1 = 34 96 X 4 + 1 = 137 137 X 5 + 1 = 686

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