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Students can also refer to NCERT Solutions for Class 8 Maths Chapter 11 Mensuration for better exam preparation and score more marks.
Online Education for Mensuration Class 8 MCQs Questions with Answers
Mensuration Class 8 MCQ Question 1.
The diagram has the shape of a
(a) square
(b) rectangle
(c) triangle
(d) trapezium.
Answer
Answer: (b) rectangle
MCQ On Mensuration For Class 8 Question 2.
The diagram has the shape of a
(a) rectangle
(b) square
(c) circle
(d) parallelogram.
Answer
Answer: (b) square
Mensuration MCQ Class 8 Question 3.
The diagram has the shape of a
(a) circle
(b) rectangle
(c) square
(d) triangle.
Answer
Answer: (d) triangle
MCQ Of Mensuration Class 8 Question 4.
The diagram has the shape of a
(a) rectangle
(b) square
(c) parallelogram
(d) circle.
Answer
Answer: (c) parallelogram
Class 8 Mensuration MCQ Question 5.
The diagram has the shape of a
(a) circle
(b) square
(c) rectangle
(d) parallelogram.
Answer
Answer: (a) circle
Class 8 Maths Chapter 11 MCQ Question 6.
The diagram has the shape of a
(a) circle
(b) parallelogram
(c) rectangle
(d) trapezium.
Answer
Answer: (d) trapezium
Class 8 Maths Ch 11 MCQ Question 7.
The area of a rectangle of length a and breadth b is
(a) a + b
(b) ab
(c) a² + b²
(d) 2ab.
Answer
Answer: (b) ab
Class 8 Maths Mensuration MCQ Question 8.
The area of a square of side a is
(a)a
(b) a²
(c) 2a
(d) 4a.
Answer
Answer: (b) a²
MCQ Mensuration Class 8 Question 9.
The area of a triangle with base b and altitude h is
(a) \(\frac{1}{2}\)bh
(b) bh
(c) \(\frac{1}{3}\)bh
(d) \(\frac{1}{4}\)bh.
Answer
Answer: (a) \(\frac{1}{2}\)bh
Mensuration Class 8 Worksheets MCQ Question 10.
The area of a parallelogram of base b and altitude h is
(a) \(\frac{1}{2}\)bh
(b) bh
(c) \(\frac{1}{3}\)bh
(d) \(\frac{1}{4}\)bh.
Answer
Answer: (b) bh
MCQs On Mensuration Class 8 Question 11.
The area of a circle of radius r is
(a) \(\frac{1}{2}\)πr²
(b) r²
(c) πr².
(d) \(\frac{1}{4}\)πr²
Answer
Answer: (b) r²
Ncert Class 8 Maths Chapter 11 MCQ Question 12.
1 cm³ =
(a) 1000 mm³
(b) 100 mm³
(c) 10 mm³
(d) \(\frac{1}{1000}\)mm³
Answer
Answer: (a) 1000 mm³
Mensuration Class 8 Extra Questions Question 13.
1 m³ =
(a ) 1000000 cm³
(b) 100 cm³
(c) 10 cm³
(d) \(\frac{1}{1000}\) cm³
Answer
Answer: (a ) 1000000 cm³
MCQ Questions For Class 8 Maths Mensuration Question 14.
1 mm³ =
(a) 0.001 cm³
(b) 0.01 cm³
(c) 0.1 cm³
(d) 1000 cm³
Answer
Answer: (a) 0.001 cm³
MCQs Of Mensuration Class 8 Question 15.
1 cm³ =
(a) 0.000001 m³
(b) 0.01 m³
(c) 0.1 m³
(d) 1000 m³
Answer
Answer: (a) 0.000001 m³
Mensuration Class 8 MCQ Questions Question 16.
The surface area of a cuboid of length l, breadth b and height h is
(a ) lbh
(b) lb + bh + hl
(c) 2 (lb + bh + hl)
(d) 2(l + b)h.
Answer
Answer: (c) 2 (lb + bh + hl)
Class 8 Math Chapter 11 MCQ Question 17.
The surface area of a cube of edge a is
(a) 4a²
(b) 6a²
(c) 3a²
(d) a².
Answer
Answer: (b) 6a²
Question 18.
The total surface area of a cylinder of base radius r and height h is
(a) 2πr (r + h)
(b) πr (r + h)
(c) 2πrh
(d) 2πr².
Answer
Answer: (a) 2πr (r + h)
Question 19.
The volume of a cuboid of length l, breadth b and height h is
(a) lbh
(b) lb + bh + hl
(c) 2 (lb + bh + hl)
(d) 2 (l + b) h.
Answer
Answer: (a) lbh
Question 20.
The volume of a cube of edge a is
(a) a²
(b) a³
(c) a4
(d) 6a²
Answer
Answer: (b) a³
Question 21.
The volume of a cylinder of base radius r and height h is
(a) 2πrh
(b) πr²h
(c) 2πr (r + h)
(d) \(\frac{1}{3}\) πr²h.
Answer
Answer: (b) πr²h
Question 22.
1 L =
ia) 10 cm³
(b) 100 cm³
(c) 1000 cm³
(d) 10000 cm³.
Answer
Answer: (c) 1000 cm³
Question 23.
1 m³ =
(a) 1 L
(b) 10 L
(c) 100 L
(d) 1000 L.
Answer
Answer: (d) 1000 L.
Question 24.
The perimeter of the figure is
(a) 7 cm
(b) 14 cm
(c) 12 cm
(d) 24 cm.
Answer
Answer: (b) 14 cm
Hint:
Perimeter = 2 (4 + 3) = 14 cm.
Question 25.
The area of the figure is
(a) 8 cm²
(b) 6 cm²
(c) 12 cm²
(d) 16 cm²
Answer
Answer: (c) 12 cm²
Hint:
Area = 6² = 12 cm².
Question 26.
The perimeter of the figure is
(a) 5 cm
(b) 10 cm
(c) 4 cm
(d) 8 cm.
Answer
Answer: (b) 10 cm
Hint:
Perimeter = 2 (4 + 1) = 10 cm.
Question 27.
The area of the figure is
(a) 6 cm²
(b) 12 cm²
(c) 5 cm²
(d) 10 cm²
Answer
Answer: (a) 6 cm²
Hint:
Area = 3 × 2 = 6 cm².
Question 28.
The perimeter of the figure is
(a) 12 cm
(b) 24 cm
(c) 6 cm
(d) 60 cm.
Answer
Answer: (a) 12 cm
Hint:
Perimeter = 4 + 3 + 5 = 12 cm.
Question 29.
The area of the figure is
(a) 9 cm²
(b) 18 cm²
(c) 12 cm²
(d) 15 cm²
Answer
Answer: (a) 9 cm²
Hint:
Area = \(\frac{6×3}{2}\) 9 cm².
Question 30.
The perimeter of the figure is
(a) 4 cm
(b) 6 cm
(c) 8 cm
(d) 12 cm.
Answer
Answer: (c) 8 cm
Hint:
Perimeter = 4 × 2 = 8 cm.
Question 31.
The area of the figure is
(a) 16 cm²
(b) 8 cm²
(c) 4 cm²
(d) 12 cm²
Answer
Answer: (a) 16 cm²
Hint:
Area = 4 × 4 = 16 cm².
Question 32.
The area of the figure is
(a) 77 cm²
(b) 154 cm²
(c) 38.5 cm²
(d) none of these
Answer
Answer: (a) 77 cm²
Hint:
Area = \(\frac{1}{2}\) × \(\frac{22}{7}\) × 7 × 7 = 77 cm².
Question 33.
The area of the trapezium is
(a) 9 cm²
(b) 6 cm²
(c) 7 cm²
(d) 24 cm²
Answer
Answer: (a) 9 cm²
Hint:
Area = \(\frac{(4+2)3}{2}\) = 9 cm².
Question 34.
The area of the trapezium is
(a) 6 cm²
(b) 4 cm²
(c) 3 cm²
(d) 9 cm²
Answer
Answer: (a) 6 cm²
Hint:
Area = \(\frac{(3+2)3}{2}\) = 6 cm².
Question 35.
The perimeter of the trapezium is
(a) 12 cm
(b) 24 cm
(c) 6 cm
(d) 18 cm.
Answer
Answer: (a) 12 cm
Hint:
Perimeter = 3 + 3 + 2 + 4 = 12 cm.
Question 36.
The area of the quadrilateral is
(a) 3.75 cm²
(b) 7.5 cm²
(c) 3 cm²
(d) 10 cm²
Answer
Answer: (a) 3.75 cm²
Hint:
Area = \(\frac{1}{2}\) × 3 × 2.5 = 1.5 × 2.5
= 3.75 cm².
Question 37.
The area of the quadrilateral is
(a) 10 cm²
(b) 5 cm²
(c) 20 cm²
(d) 15 cm²
Answer
Answer: (a) 10 cm²
Hint:
Area = 2(\(\frac{5×2}{2}\)) = 10 cm².
Question 38.
The area of the quadrilateral is
(a) 6 cm²
(b) 12 cm²
(c) 3 cm²
(d) 8 cm²
Answer
Answer: (a) 6 cm²
Hint:
Area = \(\frac{4×(1+2)}{2}\)) = 6 cm²
Question 39.
The area of a rhombus is 60 cm². One diagonal is 10 cm. The other diagonal is
(a) 6 cm
(b) 12 cm
(c) 3 cm
(d) 24 cm.
Answer
Answer: (b) 12 cm
Hint:
\(\frac{1}{2}\) × 10 × d2 = 60 ⇒ d2 = 12 cm.
Question 40.
The area of a trapezium is 40 cm². Its parallel sides are 12 cm and 8 cm. The distance between the parallel sides is
(a) 1 cm
(b) 2 cm
(c) 3 cm
(d) 4 cm.
Answer
Answer: (d) 4 cm.
Hint:
\(\frac{(12+8)d}{2}\) = 40 ⇒ d = 4 cm.
Question 41.
8 persons can stay in a cubical room. Each person requires 27 m³ of air. The side of the cube is
(a) 6 m
(b) 4 m
(c) 3 m
(d) 2 m.
Answer
Answer: (a) 6 m
Hint:
Volume = 8 × 27 = 216 m³
∴ side = \(\sqrt[3]{216}\) = 6 m.
Question 42.
If the height of a cuboid becomes zero, it will take the shape of a
(a) cube
(b) parallelogram
(c) circle
(d) rectangle.
Answer
Answer: (d) rectangle.
Question 43.
The volume of a room is 80 m³. The area of the floor is 20 m². The height of the room is
(a) 1 m
(b) 2 m
(c) 3 m
(d) 4 m.
Answer
Answer: (d) 4 m
Hint:
Height = \(\frac{80}{20}\) = 4 m.
Question 44.
The floor of a room is a square of side 6 m. Its height is 4 m. The volume of the room is
(a) 140 m³
(b) 142 m³
(c) 144 m³
(d) 145 m³
Answer
Answer: (c) 144 m³
Hint:
Volume = 6 × 6 × 4 = 144 m³.
Question 45.
The base radius and height of a right circular cylinder are 14 cm and 5 cm respectively. Its curved surface is
(a) 220 cm²
(b) 440 cm²
(c) 1232 cm²
(d) 2π × 14 × (14 + 5) cm²
Answer
Answer: (b) 440 cm²
Hint:
Curved surface = 2 × \(\frac{22}{7}\) × 14 × 5
= 440 cm².
Question 46.
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
(a) 16 : 81
(b) 4 : 9
(c) 2 : 3
(d) 9 : 4.
Answer
Answer: (b) 4 : 9
Hint:
\(\frac{πr_1^2h}{πr_2^2h}\) = \(\frac{16π}{81π}\) ⇒ \(\frac{r_1}{r_2}\) = \(\frac{4}{9}\)
Question 47.
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
(a) 1 : 1
(b) 1 : 2
(c) 2 : 1
(d) 4 : 1.
Answer
Answer: (a) 1 : 1
Hint:
\(\frac{r_1}{r_2}\) = \(\frac{π(1)^24}{π(2)^21}\) = 1 : 1
Question 48.
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
(a) 18π cm³
(b) 36π cm³
(c) 9π cm³
(d) 36 cm³
Answer
Answer: (b) 36π cm³
Hint:
Volume = \(\frac{1}{2}\)π × 3 × 3 × 8 = 36π cm³.
Question 49.
The base area of a right circular cylinder is 16K cm³. Its height is 5 cm. Its curved surface area is
(a) 40π cm²
(b) 30π cm²
(c) 20π cm²
(d) 10π cm²
Answer
Answer: (a) 40π cm²
Hint:
πr² = 16π ⇒ r = 4 cm
∴ Curved surface area
= 2 × π × 4 × 5 = 40π cm²
Question 50.
The base radius and height of a right circular cylinder are 5 cm and 10 cm. Its total surface area is
(a) 150π cm²
(b) 300π cm²
(c) 150 cm²
(d) 300 cm²
Answer
Answer: (a) 150π cm²
Hint:
Total surface area = 2πr (h + r)
= 2π 5 (10 + 5) = 150π cm².
Question 51.
If the length and breadth of a rectangle are 10 cm and 5 cm, respectively, then its area is:
(a) 100 sq.cm
(b) 150 sq.cm
(c) 115 sq.cm
(d) 200 sq.cm
Answer
Answer: (b) 150 sq.cm
Hint:
Length = 10 cm
And breadth = 5 cm
Area of rectangle = Lenght x breadth
= 10 x 5
= 150 cm2
Question 52.
The area of a rhombus whose diagonals are of lengths 10 cm and 8.2 cm is:
(a) 41 cm2
(b) 82 cm2
(c) 410 cm2
(d) 820 cm2
Answer
Answer: (a) 41 cm2
Hint:
Area of rhombus = ½ d1 d2
A = ½ x 10 x 8.2
A = 41 cm2
Question 53.
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:
(a) 20 cm
(b) 34 cm
(c) 44 cm
(d) 50 cm
Answer
Answer: (c) 44 cm
Hint:
Area of trapezium = ½ h (a + b)
a=20 cm, h = 15 cm, Area = 480 sq.cm
480 = ½ (15) (20 + b)
20 + b = (480 x 2)/15
20 + b = 64
b = 44cm
Question 54.
The area of a rhombus is 240 cm2 and one of the diagonals is 16 cm. Find the other diagonal.
(a) 16 cm
(b) 20 cm
(c) 30 cm
(d) 36 cm
Answer
Answer: (c) 30 cm
Hint:
Area = 240 cm2
d1 = 16 cm
Area of rhombus = ½ d1 x d2
240 = ½ x 16 x d2
d2 = 480/16 = 30 cm
Question 55.
A cuboid has ______ pairs of identical faces.
(a) 2
(b) 3
(c) 4
(d) 5
Answer
Answer: (b) 3
Hint:
All six faces are rectangular, and opposites faces are identical. So there are three pairs of identical faces.
Question 56.
All six faces of a cube are:
(a) Identical
(b) Different
(c) Circular
(d) Rectangular
Answer
Answer: (a) Identical
Hint:
All six faces are squares and identical
Question 57.
A cylindrical box has ____ curved surface and ____ circular faces, which are identical.
(a) One, One
(b) One, two
(c) two, one
(d) two, two
Answer
Answer: (b) One, two
Hint:
A cylindrical box having circular bases have identical top. One curved surface and two circular faces which are identical.
Question 58.
If a cuboidal box has height, length and width as 20 cm, 15 cm and 10 cm respectively. Then its total surface area is:
(a) 1100 cm2
(b) 1200 cm2
(c) 1300 cm2
(d) 1400 cm2
Answer
Answer: (c) 1300 cm2
Hint:
Total surface area = 2 (20 × 15 + 20 × 10 + 10 × 15)
TSA = 2 ( 300 + 200 + 150) = 1300 cm2
Question 59.
The height of a cylinder whose radius is 7 cm and the total surface area is 968 cm2 is:
(a) 15 cm
(b) 17 cm
(c) 19 cm
(d) 21 cm
Answer
Answer: (a) 15 cm
Hint:
Total surface area = 2πr (h + r)
968 = 2 x 22/7 x 7 (7+h)
h = 15 cm
Question 60.
The height of a cuboid whose volume is 275 cm3 and base area is 25 cm2 is:
(a) 10 cm
(b) 11 cm
(c) 12 cm
(d) 13 cm
Answer
Answer: (b) 11 cm
Hint:
Volume of a cuboid = Base area × Height
Height = Volume / Base area
H = 275/25 = 11 cm
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