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    Question

    Select the number from among the given options that can

    replace the question mark (?) in the following series. 8, 19, 55, 113, 337, ?
    A 667 Correct Answer Incorrect Answer
    B 678 Correct Answer Incorrect Answer
    C 687 Correct Answer Incorrect Answer
    D 677 Correct Answer Incorrect Answer

    Solution

    8 x 2 + 3 = 19 19 x 3 тАУ 2 = 55 55 x 2 + 3 = 113 113 x 3 тАУ 2 = 337 337 x 2 + 3 = 677

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