10th Class Mathematics Real Numbers Question Bank Real Numbers

  • question_answer
    A boy multiplied 987 by a certain number and obtained 559981 as his answer. If in the answer both 9s are wrong and the other digits are correct, then the correct answer would be _____.                     

    A) 553681      

    B)        555181            

    C)         555681      

    D)         556581                                  

    Correct Answer: C

    Solution :

    \[987=3\times 7\times 47\] So, the required number must be divisible by each one of 3, 7, 47.

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