Question

    The volume of a rectangular tank is 1680 m³, and the

    ratio of its length, width, and height is 7:6:5, respectively. What is the length of the rectangular tank?"
    A 12 m Correct Answer Incorrect Answer
    B 14 m Correct Answer Incorrect Answer
    C 22 m Correct Answer Incorrect Answer
    D 15 m Correct Answer Incorrect Answer
    E none of these Correct Answer Incorrect Answer

    Solution

    ATQ, Let the length, width and height be 7x, 6x and 5x, respectively. 7x × 6x × 5x = 1680 Or x3 = 8 Or, x = 2 metres Length of the rectangular tank = 7 × 2 = 14 meter

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