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      Question

      In a 500-metre race, ‘A’ beats ‘B’ by 15 seconds

      or 75 metres. Find the time taken by ‘B’ to finish the race.
      A 40 seconds Correct Answer Incorrect Answer
      B 90 seconds Correct Answer Incorrect Answer
      C 100 seconds Correct Answer Incorrect Answer
      D 50 seconds Correct Answer Incorrect Answer

      Solution

      Speed of ‘B’ = (75/15) = 5 m/s Time taken by ‘B’ to finish the race = 500 ÷ 5 = 100 seconds

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