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      Question

      The running speeds of John, David, and Mike are in the

      ratio of 8:6:10. If Mike takes 30 minutes to run a distance, how long will John take to cover that distance?
      A 20.5 mins Correct Answer Incorrect Answer
      B 24.4 mins Correct Answer Incorrect Answer
      C 37.5 mins Correct Answer Incorrect Answer
      D 28.7 mins Correct Answer Incorrect Answer

      Solution

      ATQ,

      Time ratio = (1/8):(1/6):(1/10) = 15:20:12

      Time taken by John = (30 × 15) / 12 = 37.5 minutes

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