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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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