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

  • question_answer
    Read the statement carefully and choose the correct option with true/false. 63, 77 and 81 are all multiples of 9. 49, 63 and 88 are all multiples of 7.6, 2, 5 and 8 are factors of 40. 3, 6 and 13 are factors of 234.

    A) FTFT                          

    B) TFTF        

    C) TTFF                          

    D) FFTT

    Correct Answer: D

    Solution :

     \[63(3\times 3\times 7)\] and \[81(3\times 3\times 3\times 3)\] are multiples of 9 but \[77(7\times 11)\]is not a multiple of 9. \[49(7\times 7)\] and \[63(7\times 3\times 3)\] are multiples of 7 but\[88(2\times 2\times 2\times 11)\]is not a multiple of 7. 2, 5 and 8 are factors of\[40(1\times 2\times 2\times 2\times 5)\] 3, 6 and 13 are factors of\[234(1\times 2\times 3\times 3\times 13)\]


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