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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, 16 and 25]

    A) 100                             

    B) 147          

    C) 1200               

    D) 1085

    Correct Answer: C

    Solution :

    Prime factors of \[12=2\times 2\times 3\] Prime factors of \[16=2\times 2\times 2\times 2\] Prime factors of \[25=5\times 5\] LCM of 12, 16 and \[25=2\times 2\times 2\times 2\times 3\times 5\times 5=1200\]         


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