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In the following number series, a wrong number is given. Find out the wrong number. 50 51 47 56 42 65 29

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1 Answer

  1. Explanation:

    The given series is based on the following pattern.

    50+(1^2)=51

    51βˆ’(2^2)=47

    47+(3^2)=56

    56βˆ’(4^2)=40( not 42)

    40+(5^2)=65

    Obviously, the number 42 is wrong and it should be replaced with 40.

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