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      Question

      A boat goes 12 km downstream in 2 hr and returns in 3

      hr. Find speed of stream.
      A 1 km/h Correct Answer Incorrect Answer
      B 5 km/h Correct Answer Incorrect Answer
      C 2 km/h Correct Answer Incorrect Answer
      D 8 km/h Correct Answer Incorrect Answer

      Solution

      ATQ, Downstream = 6 km/h, upstream = 4 km/h → stream = (6–4)/2 = 1 km/h

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