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    Question

    Find out the Wrong number in the following number

    series. 2, 123, 204, 256, 278, 287
    A 123 Correct Answer Incorrect Answer
    B 2 Correct Answer Incorrect Answer
    C 256 Correct Answer Incorrect Answer
    D 287 Correct Answer Incorrect Answer

    Solution

    2 + 112 = 123 123 + 92 = 204 204 + 72 =  253 253 + 52 = 278 278 + 32 = 287

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