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      Question

      The least common multiple (LCM) of two numbers is 144, and

      the numbers are in the ratio 4:6. Find their sum.
      A 120 Correct Answer Incorrect Answer
      B 165 Correct Answer Incorrect Answer
      C 156 Correct Answer Incorrect Answer
      D 139 Correct Answer Incorrect Answer

      Solution

      ATQ,
      Let the numbers be 4m and 6m.

      LCM of the numbers = 12m

      Given, 12m = 144

      So, m = 12

      Thus, the numbers are 48 and 72.

      Hence, the sum = 48 + 72 = 120.


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