Find the cost of painting 15 cylindrical pillars of a building Rs- 2-50 per square metre the diameter and height of each pillar are 48 cm and 7 metres respectively-

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Find the cost of painting $$15$$ cylindrical pillars of a building at $$Rs. 2.50$$ per square metre if the diameter and height of each pillar are $$48\ cm$$ and $$7$$ metres respectively.

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