The diameters of the top and the bottom portions of a bucket are 42 cm and 28 cm. If the height of the bucket is 24 cm, then find the cost of painting
The diameters of the top and the bottom portions of a bucket are 42 cm and 28 cm. If the height of the bucket is 24 cm, then find the cost of painting its outer surface at the rate of 5 paise/`cm^(2)`.
A. Rs. 158.25
B. Rs. 172.45
C. Rs. 168.30
D. Rs. 164.20
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