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Railways Sample Paper RRB (Group D) Sample Test Paper-8

  • question_answer
    A 4-digit number is formed by repeating a 2-digit number such as 1515, 3737, etc. Any number of this form is exactly divisible by

    A)  7                    

    B)  11

    C)  13                   

    D)  101

    Correct Answer: D

    Solution :

    [d] \[xyxy=xy\times l00+xy\] \[=xy\,\,(100+1)=101\times xy\] Hence, the number is exactly divisible by 101.


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