A cylindrical tank which is open at the top has diameter 14m and height 15m. find the cost of its painting all over inside it at the cost ₹30 per square meter.
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area = two pai radius height plus pai r square 814msquare
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A cylindrical tank which is open at the top has diameter 14m and height 15m. find the cost of its painting all over inside it at the cost ₹30 per square meter.
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