10th Class Mathematics Real Numbers Question Bank Real Number

  • question_answer The remainder when a number is divided by 165 is 21. What is the remainder, when the same number is divided by 11?

    A)  4                                

    B)  5            

    C)  11                               

    D)  10

    Correct Answer: D

    Solution :

    (d): Let number be \['n'\Rightarrow n=165\times k+21\] where \[k\in N\] \[=11\times 15\times k+11+10\] The indicated part is clearly divisible by 11 \[\therefore \]Remainder = 10

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