Chhattisgarh Board Solutions for Chapter: Mensuration - III, Exercise 3: EXERCISE 19.2

Find the curved surface and whole surface area of a cylinder whose diameter is $20 \mathrm{m}$ and height is $21 \mathrm{m}$.

Find the curved surface and whole surface area of a cylinder whose radius is $10.5 \mathrm{cm}$ and height is $35 \mathrm{cm}$.

Find the curved surface and whole surface area of a cylinder whose radius is $14 \mathrm{cm}$ and height is $1 \mathrm{m}$.

Circumference of base of a cylindrical tank is $176 \mathrm{cm}$ and height is $30 \mathrm{cm}$. Then find its curved surface area.

Volume of a cylinder is $44 {\mathrm{cm}}^3$ and radius is $2 \mathrm{cm}$. Find its whole surface area.

A well whose diameter is $14 \mathrm{m}$ and $25 \mathrm{m}$ deep. Find the volume of mud taken out of the well. Also, find the cost of plastering the well from inside at the rate of $₹3$ per square metre.

Circumference of the base of a cylinder and height is $44 \mathrm{m}$. Find its curved surface in meter. [Take $\pi =\frac{22}{7}$]

Area of curved part of a cylinder is $1000 {\mathrm{cm}}^2$ and its diameter is $20 \mathrm{cm}$. Find the height of the given cylinder in $\mathrm{cm}$, correct to one decimal place. [Take $\pi =\frac{22}{7}$]