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 m^{2}.

ARs 756.85

BRs 975.85

CRs 675.84

DRs 775.84