I would like to give a question which
i could not solve.Rd sharma class 10
maths exercise-16.2 mensuration.
In this question we have to find the cost of
polishing its surface at the rate of Rs.10 per dm2.
Given that a solid is composed of a cylinder with
hemispherical ends. If the complete length of the
solid is 104 cm and the radius of each of the hemispherical ends is 7 cm.