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      Question

      In a 300-metre race, β€˜A’ beats β€˜B’ by 20 seconds

      or 60 metres. Find the time taken by β€˜B’ to finish the race.
      A 40 seconds Correct Answer Incorrect Answer
      B 60 seconds Correct Answer Incorrect Answer
      C 100 seconds Correct Answer Incorrect Answer
      D 50 seconds Correct Answer Incorrect Answer

      Solution

      Speed of β€˜B’ = (60/20) = 3 m/s Time taken by β€˜B’ to finish the race = 300 Γ· 3 = 100 seconds

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