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    Question

    Which number will replace the question mark [?] in the

    following series? 64, 103, 155, 220, ?, 389
    A 278 Correct Answer Incorrect Answer
    B 298 Correct Answer Incorrect Answer
    C 289 Correct Answer Incorrect Answer
    D 295 Correct Answer Incorrect Answer

    Solution

    The logic followed here is the difference between two consecutive numbers is consecutive multiple of 13. 64 + 39 = 103 103 + 52 = 155 155 + 65 = 220 220 + 78 = 298 298 + 91 = 389

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