This is the frustum problem, Problem from RS Aggarwal book, problem number 32, page number 829, exercise 17D, chapter volume and surface area of solid. Chapter Mensuration
Deepak BoraNewbie
A bucket of height 24 cm is in the form of frustum of a cone whose circular ends are of diameter 28 cm and 42 cm. Find the cost of milk at the rate of 30 per liter, which the bucket can hold.
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