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    Question

    What will be come in place of (?) in the given number

    series. 5, 9, 17, 33, ?, 129
    A 83 Correct Answer Incorrect Answer
    B 41 Correct Answer Incorrect Answer
    C 65 Correct Answer Incorrect Answer
    D 77 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    First level difference:

    9 - 5 = 4

    17 - 9 = 8

    33 - 17 = 16

    ? - 33 = 32 → ? = 65

    129 - 65 = 64

    Second level difference: 4, 8, 16, 32, 64 → ×2 pattern

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