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    Question

    Find the wrong number in the given number series,

    31, 55, 91, 145, 217, 307
    A 31 Correct Answer Incorrect Answer
    B 307 Correct Answer Incorrect Answer
    C 91 Correct Answer Incorrect Answer
    D 55 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    37 + 9 ├Ч 2 = 55 55 + 9 ├Ч 4 = 91 91 + 9 ├Ч 6 = 145 145 + 9 ├Ч 8 = 217 217 + 9 ├Ч 10 = 307 So, 37 should come in place of 31.

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