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  5. Factors and Multiples

5th Class Mathematics Factors and Multiples Question Bank Multiples and Factors

  • question_answer
    Which pair of numbers has a greatest common factor of 1?

    A) 7 and 20 

    B) 3 and 45      

    C) 15 and 18                   

    D) 4 and 16

    Correct Answer: A

    Solution :

        7 and 20                     


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