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      Question

      The water in a river flow at the rate of 4 km per hour

      if the width and depth of the river are 9 M and 4 m respectively then how much water will enter the sea in 15 minutes?
      A 32000 cubic m Correct Answer Incorrect Answer
      B 24000 cubic m Correct Answer Incorrect Answer
      C 36000 cubic m Correct Answer Incorrect Answer
      D 16000 cubic m Correct Answer Incorrect Answer

      Solution

      If water flows at 4km/h. So, in 15 minutes it travels =1km So, volume of water entering the sea in 15 minutes=9×4×1000 =36000m3

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