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