Monicaa Abhijit Solutions for Chapter: Mensuration-II (Solid Figures), Exercise 8: SOME NCERT TEXTBOOK QUESTIONS

The lateral surface area of a hollow cylinder is 4,224 cm². It is cut along its height and formed a rectangular sheet of width 33 cm. Find the perimeter of the rectangular sheet.

Given a cylindrical tank, in which situation will you find surface area and in which situation volume.
To find how much it can hold.
 

Given a cylindrical tank, in which situation will you find surface area and in which situation volume.
Number of cement bags required to plaster it.
 

Given a cylindrical tank, in which situation will you find surface area and in which situation volume.
To find the number of smaller tanks that can be filled with water from it.

A cuboid is of dimensions $60 \mathrm{cm}\times 54 \mathrm{cm}\times 30 \mathrm{cm}$. How many small cubes with side $6 \mathrm{cm}$ can be placed in the given cuboid?

If each edge of a cube is doubled,

 how many times will its surface area increase?

If each edge of a cube is doubled,
how many times will its volume increase?

Water is pouring into a cubiodal reservoir at the rate of $60$litres per minute. If the volume of reservoir is $108 {\mathrm{m}}^3$ find the number of hours it will take to fill the reservoir.