Question

    Find the worong number in the given number series 

    63, 124, 215, 345, 511, 728

    A 345 Correct Answer Incorrect Answer
    B 63 Correct Answer Incorrect Answer
    C 511 Correct Answer Incorrect Answer
    D 728 Correct Answer Incorrect Answer
    E none of these Correct Answer Incorrect Answer

    Solution

    43 - 1 = 63 53 - 1 = 124 63 - 1 = 215 73 - 1 = 342 83 - 1 = 511 93 - 1 = 728 Therefore, '342' should come in place of '345

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