A bus stop is barricaded from the remain...

A bus stop is barricaded from the remaining part of the road, by using 50 hollow cones made of recycled card-board. Each cone has a base diameter of 40cm and height 1m. If the outer side of each of the cones is to be painted and the cost of painting is Rs. 12 per `m^2` , what will be the cost of painting all these cones `(U s epi=3. 14a n dsqrt(1. 04)=1. 02))`

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A bus stop is barricaded from the remaining part of the road, by using 50 hollow cones made of recycled cardboard. Each cone has a base diameter of 40 cm and height 1 m . If the outer side of each of the cones is to be painted and the cost of painting is 12 per m^2 , what will be the cost of painting all these cones? (Use π = 3.14 and take √ 1.04 = 1.02)

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