Question

    A series is given with one term missing. Choose the correct alternatives from the given ones that will complete the series.

    12, 15, 35, 108, 221, 224, ___

    A 464 Correct Answer Incorrect Answer
    B 453 Correct Answer Incorrect Answer
    C 475 Correct Answer Incorrect Answer
    D 447 Correct Answer Incorrect Answer

    Solution

    12 X 1 + 3 = 12 + 3 = 15 15 X 2 + 5 = 30 + 5 = 35 35 X 1 + 3 = 105 + 3 = 108 108 X 2 + 5 = 216 + 5 = 221 221 X 1 + 3 = 221 + 3 = 224 224 X 2 + 5 = 448 + 5 = 453

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