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    Question

    If the volume of a cuboidal tank is 3840 m3

    and the ratio of the length, width and height of tank is 5:4:3 respectively then find the height of the cuboidal tank.
    A 12 m Correct Answer Incorrect Answer
    B 9 m Correct Answer Incorrect Answer
    C 15 m Correct Answer Incorrect Answer
    D 6 m Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Let the length, width and height of tank be 5x, 4x and 3x respectively. According to the question, => 5x × 4x × 3x = 3840 => x3 = 64 => x = 4 Height of the cuboidal tank = 3x = 12 m

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