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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. [18 and 27]

    A) 54          

    B) 78            

    C) 75                               

    D) 120

    Correct Answer: A

    Solution :

    Prime factors of  \[18=2\times 3\times 3\] Prime factors of \[27=3\times 3\times 3\] LCM of 18 and \[27=2\times 3\times 3\times 3=54\]                        


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