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    Question

    In each of the following number series, one term is

    wrong. Find the wrong term. 2, 6, 18, 54, 150, 486, 1458
    A 6 Correct Answer Incorrect Answer
    B 18 Correct Answer Incorrect Answer
    C 54 Correct Answer Incorrect Answer
    D 150 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Check ratio (multiplication pattern): 6 ├╖ 2 = 3 18 ├╖ 6 = 3 54 ├╖ 18 = 3 150 ├╖ 54 тЙИ 2.78 (not 3) 486 ├╖ 150 тЙИ 3.24 (not 3) 1458 ├╖ 486 = 3 Clearly, the intended pattern is multiplication by 3 each time: Correct series: 2, 6, 18, 54, 162, 486, 1458 So the term which breaks the pattern is 150 (it should have been 162).

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