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    Question

    There is a water tank in the form of a rectangular

    parallelepiped of height 1.1 m and a square base of side 2 m. If a full tank of water is drained out completely in a long pipe of circular cross-sectional area of radius 1 cm, what should be the minimum length of the pipe, in km, to hold the entire water in it? (Тakе л= 22/7)
    A 12 Correct Answer Incorrect Answer
    B 13 Correct Answer Incorrect Answer
    C 14 Correct Answer Incorrect Answer
    D 15 Correct Answer Incorrect Answer

    Solution

    The correct answer is C

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