A cylindrical hollow tube has to be painted on both internal and external surface. The internal diameter of the cylinder is 2.4 m and the thickness is 0.4 m. The height of cylinder is 10 m . Calculate the lateral surface area which has to be painted if one can of the paint can be used for 8m^2 area, how many cans are required to paint it.
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y y du UID project of the Mughal Empire State building the Mughal emperor Akbar
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