10th Class Mathematics Real Numbers Question Bank Real Number

  • question_answer ) The factor tree shows the prime factorization of 1020. Then (a, b) is

    A)  2, 17                           

    B)  3, 34        

    C)  34, 3               

    D)  5, 17

    Correct Answer: B

    Solution :

    (b):\[\frac{510}{a}=170\Rightarrow a=3\] \[\frac{170}{5}=b\Rightarrow b=34\] 

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