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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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