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    Question

    The outer diameter of a hollow cylindrical brass rod is

    9.1 cm. The rod is 35mm thick and is 40cm long. If the weight of 1 cubic centimeter of brass rod is 0.5 Kg, then find the total weight of the rod.
    A 1554 Kg Correct Answer Incorrect Answer
    B 1647 Kg Correct Answer Incorrect Answer
    C 1771 Kg Correct Answer Incorrect Answer
    D 1236 Kg Correct Answer Incorrect Answer
    E 1797 Kg Correct Answer Incorrect Answer

    Solution

    The outer radius of cylinder = 9.1/2 = 4.55 cm  The inner radius of cylinder = 4.55-3.5cm = 1.05 cm

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