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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. [12, 15 and 24]

    A) 115                             

    B) 160           

    C) 120      

    D) 125

    Correct Answer: C

    Solution :

    Prime factors of \[12=2\times 2\times 3\] Prime factors of \[15=3\times 5\] Prime factors of\[24=2\times 2\times 2\times 3\] LCM of 12, 15 and \[24=2\times 2\times 2\times 3\times 5=120\]                


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