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    Question

    Find the LCM of 20, 30, 40,

    50.
    A 600 Correct Answer Incorrect Answer
    B 720 Correct Answer Incorrect Answer
    C 150 Correct Answer Incorrect Answer
    D 840 Correct Answer Incorrect Answer

    Solution

    Find out a least number which could be completely divided by 20, 30, 40, 50. Here that number will be 600. Hint:   Make factor of numbers.

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