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6th Class Mathematics Knowing our Numbers Question Bank Number System

  • question_answer
    A and B are two positive integers such that AB = 64. Which of the following is not the correct value of A + B?

    A)  65                                         

    B)  16

    C)  35                         

    D)              20

    Correct Answer: C

    Solution :

         Possible combinations of (A, B) such that AB = 64 are (1, 64), (2, 32), (4, 16) and (8, 8) \[\therefore \]  A + B cannot be 35.


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