NCERT MCQ Questions for Class 8 Maths with Answers PDF Free Download based on the major ideas and themes presented in the textbook as per the CBSE new test pattern are available here. This will help you learn and test your understanding of the chapters. Students can also take a free test of Class 8 Maths Multiple Choice Questions. Each question has four possibilities, each of which is followed by the correct response. These MCQ Questions were chosen in accordance with the most recent CBSE exam format.

## Q1.The area of a square of side a is

(1)(a)a

(2)(b) a²

(3)(c) 2a

(4)(d) 4a.

## Answer

Answer: (b) a²

## Q2.The area of a triangle with base b and altitude h is

(1)(a) 1/2bh

(2)(b) bh

(3)(c) 13bh

(4)(d) 1/4bh.

## Answer

Answer: (a) 1/2bh

## Q3.The area of a parallelogram of base b and altitude h is

(1)(a) 1/2bh

(2)(b) bh

(3)(c) 1/3bh

(4)(d) 1/4bh.

## Answer

Answer: (b) bh

## Q4.The area of a circle of radius r is

(1)(a) 12πr²

(2)(b) r²

(3)(c) πr².

(4)(d) 14πr²

## Answer

Answer: (b) r²

## Q5.1 mm³ =

(1)(a) 0.001 cm³

(2)(b) 0.01 cm³

(3)(c) 0.1 cm³

(4)(d) 1000 cm³

## Answer

Answer: (a) 0.001 cm³

## Q6.1 cm³ =

(1)(a) 0.000001 m³

(2)(b) 0.01 m³

(3)(c) 0.1 m³

(4)(d) 1000 m³

## Answer

Answer: (a) 0.000001 m³

## Q7.The surface area of a cuboid of length l, breadth b and height h is

(1)(a ) lbh

(2)(b) lb + bh + hl

(3)(c) 2 (lb + bh + hl)

(4)(d) 2(l + b)h.

## Answer

Answer: (c) 2 (lb + bh + hl)

## Q8.The surface area of a cube of edge a is

(1)(a) 4a²

(2)(b) 6a²

(3)(c) 3a²

(4)(d) a².

## Answer

Answer: (b) 6a²

## Q9.The total surface area of a cylinder of base radius r and height h is

(1)(a) 2πr (r + h)

(2)(b) πr (r + h)

(3)(c) 2πrh

(4)(d) 2πr².

## Answer

Answer: (a) 2πr (r + h)

## Q10.The volume of a cuboid of length l, breadth b and height h is

(1)(a) lbh

(2)(b) lb + bh + hl

(3)(c) 2 (lb + bh + hl)

(4)(d) 2 (l + b) h.

## Answer

Answer: (a) lbh

## Q11.The volume of a cube of edge a is

(1)(a) a²

(2)(b) a³

(3)(c) a4

(4)(d) 6a²

## Answer

Answer: (b) a³

## Q12.The volume of a cylinder of base radius r and height h is

(1)(a) 2πrh

(2)(b) πr²h

(3)(c) 2πr (r + h)

(4)(d) 13 πr²h.

## Answer

Answer: (b) πr²h

## Q13.1 L =

(1)ia) 10 cm³

(2)(b) 100 cm³

(3)(c) 1000 cm³

(4)(d) 10000 cm³.

## Answer

Answer: (c) 1000 cm³

## Q14.1 m³ =

(1)(a) 1 L

(2)(b) 10 L

(3)(c) 100 L

(4)(d) 1000 L.

## Answer

Answer: (d) 1000 L.

## Q15.The area of a rhombus is 60 cm². One diagonal is 10 cm. The other diagonal is

(1)(a) 6 cm

(2)(b) 12 cm

(3)(c) 3 cm

(4)(d) 24 cm.

## Answer

Answer: (b) 12 cm

## Q16.The area of a trapezium is 40 cm². Its parallel sides are 12 cm and 8 cm. The distance between the parallel sides is

(1)(a) 1 cm

(2)(b) 2 cm

(3)(c) 3 cm

(4)(d) 4 cm.

## Answer

Answer: (d) 4 cm.

## Q17.8 persons can stay in a cubical room. Each person requires 27 m³ of air. The side of the cube is

(1)(a) 6 m

(2)(b) 4 m

(3)(c) 3 m

(4)(d) 2 m.

## Answer

Answer: (a) 6 m

## Q18.If the height of a cuboid becomes zero, it will take the shape of a

(1)(a) cube

(2)(b) parallelogram

(3)(c) circle

(4)(d) rectangle.

## Answer

Answer: (d) rectangle.

## Q19.The volume of a room is 80 m³. The area of the floor is 20 m². The height of the room is

(1)(a) 1 m

(2)(b) 2 m

(3)(c) 3 m

(4)(d) 4 m.

## Answer

Answer: (d) 4 m

## Q20.The floor of a room is a square of side 6 m. Its height is 4 m. The volume of the room is

(1)(a) 140 m³

(2)(b) 142 m³

(3)(c) 144 m³

(4)(d) 145 m³

## Answer

Answer: (c) 144 m³

## Q21.The base radius and height of a right circular cylinder are 14 cm and 5 cm respectively. Its curved surface is

(1)(a) 220 cm²

(2)(b) 440 cm²

(3)(c) 1232 cm²

(4)(d) 2π × 14 × (14 + 5) cm²

## Answer

Answer: (b) 440 cm²

## Q22.The heights of two right circular cylinders are the same. Their volumes are respectively 16π m³ and 81π m³. The ratio of their base radii is

(1)(a) 16 : 81

(2)(b) 4 : 9

(3)(c) 2 : 3

(4)(d) 9 : 4.

## Answer

Answer: (b) 4 : 9

## Q23.The ratio of the radii of two right circular cylinders is 1 : 2 and the ratio of their heights is 4 : 1. The ratio of their volumes is

(1)(a) 1 : 1

(2)(b) 1 : 2

(3)(c) 2 : 1

(4)(d) 4 : 1.

## Answer

Answer: (a) 1 : 1

## Q24.A glass in the form of a right circular cylinder is half full of water. Its base radius is 3 cm and height is 8 cm. The volume of water is

(1)(a) 18π cm³

(2)(b) 36π cm³

(3)(c) 9π cm³

(4)(d) 36 cm³

## Answer

Answer: (b) 36π cm³

## Q25.The base area of a right circular cylinder is 16K cm³. Its height is 5 cm. Its curved surface area is

(1)(a) 40π cm²

(2)(b) 30π cm²

(3)(c) 20π cm²

(4)(d) 10π cm²

## Answer

Answer: (a) 40π cm²

## Q26.The base radius and height of a right circular cylinder are 5 cm and 10 cm. Its total surface area is

(1)(a) 150π cm²

(2)(b) 300π cm²

(3)(c) 150 cm²

(4)(d) 300 cm²

## Answer

Answer: (a) 150π cm²

## Q27.If the length and breadth of a rectangle are 10 cm and 5 cm, respectively, then its area is:

(1)(a) 100 sq.cm

(2)(b) 150 sq.cm

(3)(c) 115 sq.cm

(4)(d) 200 sq.cm

## Answer

Answer: (b) 150 sq.cm

## Q28.The area of a rhombus whose diagonals are of lengths 10 cm and 8.2 cm is:

(1)(a) 41 cm2

(2)(b) 82 cm2

(3)(c) 410 cm2

(4)(d) 820 cm2

## Answer

Answer: (a) 41 cm2

## Q29.The area of a trapezium is 480 cm2, the distance between two parallel sides is 15 cm and one of the parallel side is 20 cm. The other parallel side is:

(1)(a) 20 cm

(2)(b) 34 cm

(3)(c) 44 cm

(4)(d) 50 cm

## Answer

Answer: (c) 44 cm

## Q30.The area of a rhombus is 240 cm2 and one of the diagonals is 16 cm. Find the other diagonal.

(1)(a) 16 cm

(2)(b) 20 cm

(3)(c) 30 cm

(4)(d) 36 cm

## Answer

Answer: (c) 30 cm

## Q31.A cuboid has ______ pairs of identical faces.

(1)(a) 2

(2)(b) 3

(3)(c) 4

(4)(d) 5

## Answer

Answer: (b) 3

## Q32.All six faces of a cube are:

(1)(a) Identical

(2)(b) Different

(3)(c) Circular

(4)(d) Rectangular

## Answer

Answer: (a) Identical

## Q33.A cylindrical box has ____ curved surface and ____ circular faces, which are identical.

(1)(a) One, One

(2)(b) One, two

(3)(c) two, one

(4)(d) two, two

## Answer

Answer: (b) One, two

## Q34.If a cuboidal box has height, length and width as 20 cm, 15 cm and 10 cm respectively. Then its total surface area is:

(1)(a) 1100 cm2

(2)(b) 1200 cm2

(3)(c) 1300 cm2

(4)(d) 1400 cm2

## Answer

Answer: (c) 1300 cm2

## Q35.The height of a cylinder whose radius is 7 cm and the total surface area is 968 cm2 is:

(1)(a) 15 cm

(2)(b) 17 cm

(3)(c) 19 cm

(4)(d) 21 cm

## Answer

Answer: (a) 15 cm

## Q36.The height of a cuboid whose volume is 275 cm3 and base area is 25 cm2 is:

(1)(a) 10 cm

(2)(b) 11 cm

(3)(c) 12 cm

(4)(d) 13 cm

## Answer

Answer: (b) 11 cm

## Q37.Surface area of a cuboid = __

(1)(i) 2 h (l + b)

(2)(ii) 2lbh

(3)(iii) 2(lb + bh + hl)

(4)(iv) None of these

## Answer

Answer: (iii) 2(lb + bh + hl)

## Q38.The area of a rectangle of length a and breadth b is

(1)(i) a + b

(2)(ii) ab

(3)(iii) a² + b²

(4)(iv) 2ab.

## Answer

Answer: (ii) ab

## Q39.The area of a rhombus is 70 cm². One diagonal is 14 cm. The other diagonal is

(1)(i) 20 cm

(2)(ii) 10 cm

(3)(iii) 5 cm

(4)(iv) 15 cm

## Answer

Answer: (ii) 10 cm

## Q40.Find the volume of a cuboid whose length is 8 cm, breadth 6 cm and height 3.5 cm.

(1)(i) 215 cm³

(2)(ii) 172 cm³

(3)(iii) 150 cm³

(4)(iv) 168 cm³

## Answer

Answer: (iv) 168 cm³

## Q41.If a coin is flipped in the air, what is the probability of getting a tail?

(1)(i) 0

(2)(ii) ½

(3)(iii) 1

(4)(iv) 2

## Answer

Answer: (ii) ½

## Q42.The area of a rhombus is 60 cm² and one diagonal is 10 cm. The other diagonal is

(1)(i) 6 cm

(2)(ii) 12 cm

(3)(iii) 3 cm

(4)(iv) 24 cm

## Answer

Answer: (ii) 12 cm

## Q43.The area of a trapezium is

(1)(i) 1/2 (sum of parallel sides) × h

(2)(ii) 2 (sum of parallel sides) × h

(3)(iii) (sum of parallel sides) × h

(4)(iv) 1/2 (sum of parallel sides) + h

## Answer

Answer: (i) 1/2 (sum of parallel sides) × h

## Q44.If a die is thrown in air, the probability of getting even numbers is:

(1)(i) ½

(2)(ii) ⅙

(3)(iii) ⅓

(4)(iv) ⅔

## Answer

Answer: (ii) ⅙

## Q45.The formula for finding lateral surface area of cylinder is

(1)(i) 2πrh

(2)(ii) πr²

(3)(iii) 2πr(r+h)

(4)(iv) 2πr

## Answer

Answer: (i) 2πrh

## Q46.The height of two right circular cylinders are the same. Their volume’s are respectively 16 π m³ and 81 π m³. The ratio of their base radius is

(1)(i) 16 : 81

(2)(ii) 9 : 14

(3)(iii) 2 : 3

(4)(iv) 4 : 9

## Answer

Answer: (iv) 4 : 9

## Q47.Solid figures are

(1)(i) 2 D

(2)(ii) 3 D

(3)(iii) 1 D

(4)(iv) 4 D

## Answer

Answer: (ii) 3 D

## Q48.Double bar graphs display __ sets of data simultaneously.

(1)(i) Four

(2)(ii) Three

(3)(iii) Two

(4)(iv) No

## Answer

Answer: (iii) Two

## Q49.The amount of space occupied by a three dimensional objects is called its

(1)(i) area

(2)(ii) surface area

(3)(iii) volume

(4)(iv) lateral surface area

## Answer

Answer: (iii) volume

## Q50.The difference between the upper class limit and lower class limit of a class interval is called:

(1)(i) Frequency

(2)(ii) Width

(3)(iii) Grouped data

(4)(iv) Ungrouped data

## Answer

Answer: (ii) Width

## Q51.Find the total surface area of a cube whose volume is 343 cm³.

(1)(i) 350 cm²

(2)(ii) 294 cm²

(3)(iii) 494 cm²

(4)(iv) 200 cm²

## Answer

Answer: (ii) 294 cm²

## Q52.If base area of a room is 30 m² and height is 3 m then its volume is

(1)(i) 900 m³

(2)(ii) 90 m³

(3)(iii) 33 m³

(4)(iv) 33 m³

## Answer

Answer: (ii) 90 m³

## Q53.Two dimensional figure is a

(1)(i) solid figure

(2)(ii) plane figure

(3)(iii) cylinder figure

(4)(iv) None of these

## Answer

Answer: (ii) plane figure

## Q54.In grouped data, each of the group is called:

(1)(i) Class interval

(2)(ii) Collection of data

(3)(iii) Frequency

(4)(iv) Grouped frequency distribution

## Answer

Answer: ( i) Class interval

## Q55.Diagonals of rhombus are

(1)(i) equal

(2)(ii) half of one diagonal

(3)(iii) of different length

(4)(iv) none of above

## Answer

Answer: (iii) of different length

## Q56.The formula for finding total surface area of cuboid is

(1)(a) 2 (lb × bh × hl)

(2)(b) 2 (lb + bh + hl)

(3)(c) 2h (l + b)

(4)(d) 2 lb (bh + hl)

## Answer

Answer: (b) 2 (lb + bh + hl)

## Q57.A cylindrical tank has a capacity of 5632 m3. If the diameter of its base is 16 m, find its depth.

(1)(a) 66m

(2)(b) 30 m

(3)(c) 26 m

(4)(d) 28 m

## Answer

Answer: (d) 28 m

## Q58.In a quadrilateral, half of the product of the sum of the lengths of parallel sides and the parallel distance between them gives the area of

(1)(a) rectangle

(2)(b) parallelogram

(3)(c) triangle

(4)(d) trapezium

## Answer

Answer: (d) trapezium

## Q59.The height of two right circular cylinders are the same. Their volume’s are respectively 16 p m³ and 81 p m³. The ratio of their base radius is

(1)(a) 16 : 81

(2)(b) 9 : 14

(3)(c) 2 : 3

(4)(d) 4 : 9

## Answer

Answer: (d) 4 : 9

## Q60.The ratio of the radius of two right circular cylinder is 1 : 2 and the ratio of their height is 4 : 1 then the ratio of their volume is

(1)(a) 1 : 2

(2)(b) 2 : 1

(3)(c) 1 : 1

(4)(d) 4: 1

## Answer

Answer: (c) 1 : 1

## Q61.If base area of a room is 30 m² and height is 3 m then its volume is ………..

(1)(a) 900 m³

(2)(b) 90 m³

(3)(c) 33 m³

(4)(d) 33 m³

## Answer

Answer: (b) 90 m³

## Q62.Two identical cubes each of total surface area 24 cm² are joined end to end. Which of the following is the total surface area of the cuboid so formed?

(1)(a) 144 cm²

(2)(b) 40 cm²

(3)(c) 120 cm²

(4)(d) 118 cm²

## Answer

Answer: (b) 40 cm²

## Q63.The base area of a right circular cylinder is 16 p cm³. Its height is 5 cm. Its curved surface area is …………….

(1)(a) 40 p cm²

(2)(b) 30 p cm²

(3)(c) 20 p cm²

(4)(d) 10 p cm²

## Answer

Answer: (a) 40 p cm²

## Q64.If the edge of a cube is 1cm then which of the following is its volume?

(1)(a) 6 m³

(2)(b) 3 m³

(3)(c) 1 m³

(4)(d) none of these

## Answer

Answer: (c) 1 m³