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    Question

    In each of the following number series, one term is

    wrong. Find the wrong term. 18, 16, 48, 46, 138, 140, 408
    A 140 Correct Answer Incorrect Answer
    B 48 Correct Answer Incorrect Answer
    C 408 Correct Answer Incorrect Answer
    D 138 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, Pattern is alternately -2 and x3 18 - 2 = 16 16 x 3 = 48 48 - 2 = 46 46 x 3 = 138 138 - 2 = 136 136 x 3 = 408 So the correct series should be: 18, 16, 48, 46, 138, 136, 408 Hence, 140 is the wrong term.

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