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    Question

    97 106 121 138 157

    180 In each of these questions a number series is given. In each series only one number is wrong. Find the wrong number.
    A 121 Correct Answer Incorrect Answer
    B 97 Correct Answer Incorrect Answer
    C 138 Correct Answer Incorrect Answer
    D 157 Correct Answer Incorrect Answer
    E 106 Correct Answer Incorrect Answer

    Solution

    97 + 11 = 108 108 + 13 = 121 121 + 17 = 138 138 + 19 = 157 157 + 23 = 180 Hence there should be 108 in place of 106.

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