31.The cost of painting of the total outside surface of a closed cylindrical oil
tank at 60 paise per sq.m is Rs 237.60 and the height of the tank is 6 times
the radius of the base of the tank. Find the radius and height of the tank.
(Use =
22
7
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The cost of painting of the total outside surface of a closed cylindrical oil
tank at 60 paise per sq.m is Rs 237.60 and the height of the tank is 6 times
the radius of the base of the tank. Find the radius and height of the tank.
(Use =
22
7
=6ans
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