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    Question

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

    following series? 6, 13, 29, 63, ?, 259
    A 131 Correct Answer Incorrect Answer
    B 133 Correct Answer Incorrect Answer
    C 135 Correct Answer Incorrect Answer
    D 129 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    6 × 2 + 1 = 13 13 × 2 + 3 = 29 29 × 2 + 5 = 63 63 × 2 + 7 = 133 133 × 2 + 9 = 275

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