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      Question

      The area of the base of a rectangular reservoir is 960 m²

      and the volume of water contained in it is 38400 m³. Find the depth of the water in the reservoir.
      A 40 m Correct Answer Incorrect Answer
      B 65 m Correct Answer Incorrect Answer
      C 70 m Correct Answer Incorrect Answer
      D 30 m Correct Answer Incorrect Answer

      Solution

      ATQ,

      The reservoir is the shape of a cuboid.

      We know that the volume of a cuboidal reservoir = Length × Breadth × Depth

      Let the depth of the water in the reservoir be 'h' meters.

      ATQ:

      38400 = 960 × h

      Or, h = (38400/960) = 40

      Required depth = 40 meters

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