4th Class Mathematics Factors and Multiples Question Bank Multiples and Factors

  • question_answer
    What are the multiples of 16 between 40 and 90?

    A) 48, 64, 80

    B) 44, 64, 80

    C) 42, 66, 86                   

    D) 46, 68, 88

    Correct Answer: A

    Solution :

    \[48=3\times 16\]is a multiple of 16. \[64=4\times 16\]is a multiple of 16. \[80=5\times 16\]is a multiple of 16. \[44=2\times 2\times 11\]is not a multiple of 16. \[42=6\times 7\]is not a multiple of 16. \[66=3\times 2\times 11\]is not a multiple of 16. \[86=2\times 43\]is not a multiple of 16. \[46=2\times 23\]is not a multiple of 16. \[68=2\times 2\times 17\]is not a multiple of 16. \[88=2\times 2\times 2\times 11\]is not a multiple of 16.                    


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