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      Question

      The LCM of two numbers is 240, and they are in the ratio

      3:5. Determine the sum of these numbers.
      A 120 Correct Answer Incorrect Answer
      B 128 Correct Answer Incorrect Answer
      C 156 Correct Answer Incorrect Answer
      D 139 Correct Answer Incorrect Answer

      Solution

      ATQ,
      Let the numbers be 3m and 5m.

      LCM of the numbers = 15m

      Given, 15m = 240

      So, m = 16

      Thus, the numbers are 48 and 80.

      Hence, the sum = 48 + 80 = 128.


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