1.

Twenty cylindrical pillars of the parliament house are to be cleaned. If the diameter of each pillar is 0.50 m and height is 4 m, What will be the cost of cleaning them at the rate of Rs. 2.50 per square metre?

Answer»

Twenty cylindrical pillars of the parliament house are to be cleaned. If the diameter of each pillar is 0.50 m and height is 4 m, What will be the cost of cleaning them at the rate of Rs. 2.50 per square metre?



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