Find the cost of painting 15 cylinderica...

Find the cost of painting 15 cylinderical 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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The correct Answer is:

Rs. 396

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RS AGGARWAL-VOLUME AND SURFACE AREA OF SOLIDS-EXERCISE 20 B

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