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5th Class Mathematics Number System and its Operations Question Bank Number System

  • question_answer
    Directions: Find the lowest common multiple in the following questions. [6 and 20]

    A) 80                               

    B) 75            

    C) 25                               

    D) 60

    Correct Answer: D

    Solution :

    Prime factors of \[6=2\times 3\] Prime factors of \[20=2\times 2\times 5\] LCM of 6 and \[20=2\times 2\times 3\times 5=60\]


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