1.

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. 158.25B. Rs. 172.45C. Rs. 168.30D. Rs. 164.20

Answer» Correct Answer - C
CSA of a bucket `=pi l (R+r).`


Discussion

No Comment Found

Related InterviewSolutions