10th Class Mathematics Real Numbers Question Bank MCQs - Real Numbers

  • question_answer
    \[7\times 11\times 17+17\] is:

    A) a prime number

    B) a composite number

    C) an odd number

    D) divisible by 5

    Correct Answer: B

    Solution :

    Sol.      [b] \[7\times 11\times 17+17=(7\times 11+1)17=78\times 17\] which is a composite number as it has a factors of 17 and 78.


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