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    Question

    A series is given with one term missing. Choose the

    correct alternatives from the given ones that will complete the series. 5, 11, 26, 65, 146, 317, _____
    A 670 Correct Answer Incorrect Answer
    B 666 Correct Answer Incorrect Answer
    C 645 Correct Answer Incorrect Answer
    D 676 Correct Answer Incorrect Answer

    Solution

    5 X 2 + 1² = 10 + 1 = 11 11 X 2 + 2² = 22 + 4 = 26 26 X 2 + 3² = 56 + 9 = 65 65 X 2 + 4² = 130 + 16 = 146 146 X 2 + 5² = 292 + 25 = 317 317 X 2 + 6² = 634 + 36 = 670

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