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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┬а The inner radius of cylinder = 4.55-3.5cm = 1.05 cm

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