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12th Class Mathematics Sample Paper Mathematics Olympiad - Sample Paper-3

  • question_answer
    In the following number series, one term is wrong. Find out the wrong term. 1, 3, 7, 15, 27, 63, 127

    A)  7                    

    B)  15           

    C)  27                   

    D)  63

    Correct Answer: C

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