BOARD PAPER DISCUSSION - L14 | Repeated Question|Part14 | Class 12 भौतिक विज्ञान | Akash Sir | 6 PM

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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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