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10th Class Mathematics Real Numbers Question Bank Case Based (MCQs) - Real Numbers

  • question_answer
    The LCM of 60. 84 and 108 is:

    A) 3780

    B) 3680

    C) 4780

    D) 4680

    Correct Answer: A

    Solution :

    Sol.     \[LCM\,\,(60,\,84,108)=\]Product of the greatest power of each questions prime factor in the numbers.
                            \[={{2}^{2}}\times {{2}^{3}}\times 5\times 7\]
                            \[=4\times 27\times 5\times 7=3780\]
    So, option [a] is correct.                               


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