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