Question

    In each of these questions a number series is given. In each series only one number is wrong. Find out the wrong number.

    640     1920     240     720     92      270

    A 1920 Correct Answer Incorrect Answer
    B 240 Correct Answer Incorrect Answer
    C 270 Correct Answer Incorrect Answer
    D 720 Correct Answer Incorrect Answer
    E 92 Correct Answer Incorrect Answer

    Solution

    640     3 = 1920 1920    8 = 240 240       3 = 720 720      8 =  90 90       3 = 270

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