the diameters of the top and the bottom portions of a bucket are 42cm and 28cm.respectively, if the height of the bucket is 24cm, then the cost of painting its outer surface @ of 50paise/cm square is ?
Vaibhav got a monthly increment of 12 percent of Pushpa's monthly salary. Pushpa's monthly salary is 7800. Vaibhav's monthly salary before increment was 6500. What amount will he earn in five months after his increment?
(A) 37.180
(B) 35.180
(C) 36.180
(D) None of these