a cylindrical pillar is 50 cm in diameter and 3.5 metre in height find the cost of painting the curved surface of the pillar at rate of rupees 12.50 per metre square
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A cylindrical pillar is 50 cm in diameter and 3.5 m in height. Find the cost of painting the curved surface of the pillar at the rate of Rs 12.50 per `m^2` . ... It is required to make a closed cylindrical tank of height 1 m and base diameter 140 cm from a metal sheet...........
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