MCQ Questions | Class 8 Maths Chapter 11 | Mensuration with Answers

MCQ | Mensuration Class 8

Check the below NCERT MCQ Questions for Class 8 Maths Chapter 11 Mensuration with Answers Pdf free download. MCQ Questions for Class 8 Maths with Answers were prepared based on the latest exam pattern. We have Provided Mensuration Class 8 Maths MCQs Questions with Answers to help students understand the concept very well.

Objective Question | NCERT Maths Class 8

NCERT Solutions Class 8 Maths
Book:	National Council of Educational Research and Training (NCERT)
Board:	Central Board of Secondary Education (CBSE)
Class:	8th
Subject:	Maths
Chapter:	11 Part-3
Chapters Name:	Mensuration
Medium:	English

Ncert Solutions for Class 8 Maths | Objective Type Questions

You can refer to NCERT Solutions for Class 8 Maths Chapter 11 Mensuration to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Mensuration | Class 8 Maths | NCERT Solutions

Q1.	CBSE Class 8 Maths Mcq Questions 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.

Ans: 6 m
Hint:
Volume = 8 × 27 = 216 m³
∴ side = \(\sqrt[3]{216}\) = 6 m.

Q2.	CBSE Class 8 Maths Mensuration Mcq Questions If the height of a cuboid becomes zero, it will take the shape of a
	A. cube
	B. parallelogram
	C. circle
	D. rectangle.

Ans: rectangle.

Q3.	Class 8 Maths Mcq Chapter 11 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.

Ans: 4 m
Hint:
Height = \(\frac{80}{20}\) = 4 m.

Q4.	Class 8 Maths Mcq online test 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

Ans: 144 m³
Hint:
Volume = 6 × 6 × 4 = 144 m³.

Q5.	Class 8 Maths Mcq with answers 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

Ans: 440 cm²
Hint:
Curved surface = 2 × \(\frac{22}{7}\) × 14 × 5
= 440 cm².

Q6.	Learn Cbse Class 8 Maths Mcq 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.

Ans: 4 : 9
Hint:
\(\frac{πr_1^2h}{πr_2^2h}\) = \(\frac{16π}{81π}\) ⇒ \(\frac{r_1}{r_2}\) = \(\frac{4}{9}\)

Q7.	Mcq Class 8 Maths Chapter 11 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.

Ans: 1 : 1
Hint:
\(\frac{r_1}{r_2}\) = \(\frac{π(1)^24}{π(2)^21}\) = 1 : 1

Q8.	Mcq for Class 8 Maths Chapter 11 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

Ans: 36π cm³
Hint:
Volume = \(\frac{1}{2}\)π × 3 × 3 × 8 = 36π cm³.

Q9.	Mcq Questions for Class 8 Maths with answers pdf Chapter 11 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

Ans: 40π cm²
Hint:
πr² = 16π ⇒ r = 4 cm
∴ Curved surface area
= 2 × π × 4 × 5 = 40π cm²

Q10.	Mcq Questions for Class 8 Maths with answers pdf download 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

Ans: 150π cm²
Hint:
Total surface area = 2πr (h + r)
= 2π 5 (10 + 5) = 150π cm².

Q11.	Ncert Class 8 Maths Mcq Chapter 11 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

Ans: 150 sq.cm
Hint:
Length = 10 cm
And breadth = 5 cm
Area of rectangle = Lenght x breadth
= 10 x 5
= 150 cm²

Q12.	Ncert Class 8 Maths Mcq Questions 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

Ans: 41 cm²
Hint:
Area of rhombus = ½ d₁ d₂
A = ½ x 10 x 8.2
A = 41 cm²

Q13.	CBSE Class 8 Maths Chapter 11 Mcq 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

Ans: 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

Q14.	CBSE Class 8 Maths Chapter 11 Mcq Questions 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

Ans: 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

Q15.	CBSE Class 8 Maths Mensuration Mcq A cuboid has ______ pairs of identical faces.
	A. 2
	B. 3
	C. 4
	D. 5

Ans: 3
Hint:
All six faces are rectangular, and opposites faces are identical. So there are three pairs of identical faces.

Q16.	CBSE Class 8 Maths Mcq Questions All six faces of a cube are:
	A. Identical
	B. Different
	C. Circular
	D. Rectangular

Ans: Identical
Hint:
All six faces are squares and identical

Q17.	CBSE Class 8 Maths Mensuration Mcq Questions A cylindrical box has ____ curved surface and ____ circular faces, which are identical.
	A. One, One
	B. One, two
	C. two, one
	D. two, two

Ans: One, two
Hint:
A cylindrical box having circular bases have identical top. One curved surface and two circular faces which are identical.

Q18.	Class 8 Maths Mcq Chapter 11 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

Ans: 1300 cm²
Hint:
Total surface area = 2 (20 × 15 + 20 × 10 + 10 × 15)
TSA = 2 ( 300 + 200 + 150) = 1300 cm²

Q19.	Class 8 Maths Mcq online test 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