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    • Question

      A boat travels 48 km downstream in 3 hours and 36 km

      upstream in 3 hours. What is the speed of the stream (in km/h)?
      A 5 Correct Answer Incorrect Answer
      B 2 Correct Answer Incorrect Answer
      C 4 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ, Downstream speed = 48/3 = 16 km/h Upstream speed = 36/3 = 12 km/h Speed of stream = (16 − 12)/2 = 2 km/h

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