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Subject :IMO    Class : Class 8

In a building there are 24 cylindrical pillars. The radius of each pillar is 28 cm and height is 4 m. Find the total cost of painting the curved surface area of all pillars at the rate of Rs 4 per m2.

ARs 756.85
BRs 975.85
CRs 675.84
DRs 775.84

Ans 1:

Class : Class 8

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