#### Chapters

Chapter 2: Parallel lines and transversals

Chapter 3: Indices and Cube root

Chapter 4: Altitudes and Medians of a triangle

Chapter 5: Expansion formulae

Chapter 6: Factorisation of Algebraic expressions

Chapter 7: Variation

Chapter 8: Quadrilateral : Constructions and Types

Chapter 9: Discount and Commission

Chapter 10: Division of Polynomials

Chapter 11: Statistics

Chapter 12: Equations in one variable

Chapter 13: Congruence of triangles

Chapter 14: Compound interest

Chapter 15: Area

Chapter 16: Surface area and Volume

Chapter 17: Circle : Chord and Arc

## Chapter 16: Surface area and Volume

#### Balbharati solutions for Maharashtra state board Class 8 Mathematics Chapter 16 Surface area and Volume Exercise Practice Set 16.1 [Pages 108 - 109]

Find the volume of a box if its length, breadth and height are 20 cm, 10.5 cm and 8 cm respectively.

A cuboid shape soap bar has volume 150 cc. Find its thickness if its length is 10 cm and breadth is 5 cm.

How many bricks of length 25 cm, breadth 15 cm and height 10 cm are required to build a wall of length 6 m, height 2.5 m and breadth 0.5 m?

For rain water harvesting a tank of length 10 m, breadth 6 m and depth 3 m is built. What is the capacity of the tank? How many litre of water can it hold?

#### Balbharati solutions for Maharashtra state board Class 8 Mathematics Chapter 16 Surface area and Volume Exercise Practice Set 16.2 [Pages 110 - 111]

In each example given below, radius of base of a cylinder and its height are given. Then find the curved surface area and total surface area.

(1) r = 7 cm, h = 10 cm

(2) r = 1.4 cm, h = 2.1 cm

(3) r = 2.5 cm, h = 7 cm

(4) r = 70 cm, h = 1.4 cm

(5) r = 4.2 cm, h = 14 cm

Find the total surface area of a closed cylindrical drum if its diameter is 50 cm and height is 45 cm. (π = 3.14)

Find the area of base and radius of a cylinder if its curved surface area is 660 sqcm and height is 21 cm.

Find the area of the sheet required to make a cylindrical container which is open at one side and whose diameter is 28 cm and height is 20 cm. Find the approximate area of the sheet required to make a lid of height 2 cm for this container.

#### Balbharati solutions for Maharashtra state board Class 8 Mathematics Chapter 16 Surface area and Volume Exercise Practice Set 16.3 [Page 112]

Find the volume of the cylinder if height (h) and radius of the base (r) are as given below.

(1) r = 10.5 cm, h =8 cm

(2) r = 2.5 m, h = 7 m

(3) r = 4.2 cm, h = 5 cm

(4) r = 5.6 cm, h = 5 cm

How much iron is needed to make a rod of length 90 cm and diameter 1.4 cm?

How much water will a tank hold if the interior diameter of the tank is 1.6 m and its depth is 0.7 m?

Find the volume of the cylinder if the circumference of the cylinder is 132 cm and height is 25 cm.

## Chapter 16: Surface area and Volume

## Balbharati solutions for Maharashtra state board Class 8 Mathematics chapter 16 - Surface area and Volume

Balbharati solutions for Maharashtra state board Class 8 Mathematics chapter 16 (Surface area and Volume) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the Maharashtra State Board Maharashtra state board Class 8 Mathematics solutions in a manner that help students grasp basic concepts better and faster.

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Concepts covered in Maharashtra state board Class 8 Mathematics chapter 16 Surface area and Volume are Standard Unit of Volume, Surface Area of Cylinder, Volume of a Cylinder, Eulerâ€™S Formula.

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