Embibe Experts Solutions for Chapter: Surface Areas and Volumes, Exercise 1: Jharkhand Board-2020

A vessel in the form of hollow hemisphere mounted by a hollow cylinder.The diameter of hemisphere is $14 cm$ and total height of the vessel is $13 cm$.Find the inner surface area of vessel.

A drinking glass is in the shape of a frustum of a cone of height $14 cm$.The diameter of its two circular ends are $4 cm$ and $2 cm$.Find the capacity of the glass.(Take $\pi =\frac{22}{7}$)

A cubical block of side $7 cm$ is surmounted by a hemisphere.What is the greatest diameter the hemisphere can have.Find the surface area of solid.

The raddi of the ends of a frustum of a cone $45 cm$ high are $28 cm$ and $7 cm$.Find its volume.

A toy is in the form of a cone of radius $3.5 \mathrm{cm}$ mounted on a hemisphere of same radius. The total height of the toy is $15.5 \mathrm{cm}$. Find the total surface area of the toy.

A fez, the cap used by the Turks, is shaped like the frustum of a cone. If its radius on the open side is $10 \mathrm{cm}$, radius at the upper base is $4 \mathrm{cm}$ and its slant height is $15 \mathrm{cm}$, find the area of material used for making it.