One of the important question for the board exam class 10 from
mensuration chapter.This question is from r d sharma class 10 maths.
chapter-16.3 question number-10 maths r d sharma,mensuration.
In this question we have to find the cost of milk at the rate of Rs.44
per litre which the container can hold given that a milk container of
height 16 cm is made of metal sheet in the form of frustum of a cone
with radii of its lower and upper ends as 8 cm and 20 cm respectively.