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Given a cuboid tank, in which situation will you find surface area and in which situation volume.

(a) To find how much it can hold.

(b) Number of paint bottle required to paint it.

(c) To find the number of smaller tanks that can be filled with water from it.

Compare the volumes

a) Cube (side =12 cm)

Cuboid (L=11 cm, B=12 cm, H=13 cm)

b) Cylinder ( r=10 cm , H=14 cm)

Cuboid (L=10 cm, B=11 cm, H=14 cm)

Find following

a) the height of a cuboid whose base area is 180 cm

b) The side of cube whose volume is 64 m

c) Volume of the cylinder whose base area is 20 cm

A cuboid is of dimensions 60 cm × 54 cm × 30 cm. How many small cubes with side 12 cm can be placed in the given cuboid?

Find the height of the cylinder whose volume is 2.54 m³ and diameter of the base is 140 cm?

A water tank is in the form of cuboid whose length is 1.5 m , height is 2 m and Breath is 7 m. Find the quantity of water in litres that can be stored in the tank?

If each edge of a cube is quadrupled,

(i) how many times will its surface area increase?

(ii) how many times will its volume increase?

Water is pouring into a cuboidal reservoir at the rate of 60 liters per minute. If the volume of reservoir is 108 m³, find the number of hours it will take to fill the reservoir.

If Length, Breath, Height of a cuboid is tripled,

(i) how many times will its surface area increase?

(ii) how many times will its volume increase?

If radius of cylinder is tripled and height remains same

(i) how many times will its surface area increase?

(ii) how many times will its volume increase?

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**Notes****Worksheets**- Mensuration Class 8 Worksheet- 1
- Mensuration Class 8 Worksheet- 2
- Mensuration Class 8 Worksheet- 3
- Mensuration Class 8 Worksheet- 4

**Ncert Solutions**

Class 8 Maths Class 8 Science

Given below are the links of some of the reference books for class 8 Math.

- Mathematics Foundation Course for JEE/Olympiad : Class 8 This book can take students maths skills further. Only buy if child is interested in Olympiad/JEE foundation courses.
- Mathematics for Class 8 by R S Aggarwal Detailed Mathematics book to clear basics and concepts. I would say it is a must have book for class 8 student.
- Pearson Foundation Series (IIT -JEE / NEET) Physics, Chemistry, Maths & Biology for Class 8 (Main Books) | PCMB Combo : These set of books could help your child if he aims to get extra knowledge of science and maths. These would be helpful if child wants to prepare for competitive exams like JEE/NEET. Only buy if you can provide help to the child while studying.
- Reasoning Olympiad Workbook - Class 8 :- Reasoning helps sharpen the mind of child. I would recommend students practicing reasoning even though they are not appearing for Olympiad.

You can use above books for extra knowledge and practicing different questions.

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