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6th Class Mathematics Knowing our Numbers Question Bank Number System

  • question_answer
    The number 170916AB (A, B, are digits) is divisible by 66. Then the value of A can be

    A)  9                                

    B)  3           

    C)  7                                

    D)  5

    Correct Answer: A

    Solution :

    170916AB\[=-(1+0+1+A)+(7+9+6+B)\] \[=22+B-2-A=20+B-A=11\to A-B=9\] And \[1+7+0+9+1+6+A+B=24+A+B\] \[A=9\]and \[B=0\]


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