MCQ Questions | Class 9 Maths Chapter 13 | Surface Areas and Volumes with Answers

MCQ | Surface Areas and Volumes Class 9

Check the below NCERT MCQ Questions for Class 9 Maths Chapter 13 Surface Areas and Volumes with Answers Pdf free download. MCQ Questions for Class 9 Maths with Answers were prepared based on the latest exam pattern. We have Provided Surface Areas and Volumes Class 9 Maths MCQs Questions with Answers to help students understand the concept very well.

Objective Question | NCERT Maths Class 9

NCERT Solutions Class 9 Maths
Book:	National Council of Educational Research and Training (NCERT)
Board:	Central Board of Secondary Education (CBSE)
Class:	9th
Subject:	Maths
Chapter:	13
Chapters Name:	Surface Areas and Volumes
Medium:	English

Ncert Solutions for Class 9 Maths | Objective Type Questions

You can refer to NCERT Solutions for Class 9 Maths Chapter 13 Surface Areas and Volumes to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Surface Areas and Volumes | Class 9 Maths | NCERT Solutions

Q1.	class 9 maths mcq ch 13 If the perimeter of one of the faces of a cube is 40 cm, then its volume is:
	A. 6000 cm³
	B. 1600 cm³
	C. 1000 cm³
	D. 600 cm³

Ans: 1000 cm³

Q2.	class 9 maths mcq chapter 13 A cuboid having surface areas of 3 adjacent faces as a, b and c has the volume:
	A. 3\(\sqrt{abc}\)
	B. \(\sqrt{abc}\)
	C. abc
	D. (abc)²

Ans: \(\sqrt{abc}\)

Q3.	class 9 maths mcq Surface Areas and Volumes The radius of a cylinder is doubled and the height remains the same. The ratio between the volumes of the new cylinder and the original cylinder is
	A. 1 : 2
	B. 3 : 1
	C. 4 : 1
	D. 1 : 8

Ans: 4 : 1

Q4.	class 9 maths mcq online test Length of diagonals of a cube of side a cm is
	A. v2a cm
	B. v3a cm
	C. \(\sqrt{3a}\) cm
	D. 1 cm

Ans: v3a cm

Q5.	class 9 maths mcq questions Volume of spherical shell is
	A. \(\frac{2}{3}\) pr³
	B. \(\frac{3}{4}\) pr³
	C. \(\frac{4}{3}\) p(R³ – r³)
	D. None of these

Ans: \(\frac{4}{3}\) p(R³ – r³)

Q6.	class 9 maths mcq sample papers Volume of hollow cylinder
	A. p(R² – r²)h
	B. pR²h
	C. pr²h
	D. pr²(h₁ – h₁)

Ans: p(R² – r²)h

Q7.	class 9 maths ncert solutions The radius of a sphere is 2r, then its volume will be
	A. \(\frac{4}{3}\) pr³
	B. 4pr³
	C. \(\frac{8}{3}\) pr³
	D. \(\frac{32}{3}\) pr³

Ans: \(\frac{32}{3}\) pr³

Q8.	class 9 maths solutions The slant height of a cone with radius 15 cm and height 20 cm is
	A. 21 cm
	B. 20 cm
	C. 25 cm
	D. 15 cm

Ans: 25 cm

Q9.	class 9 ncert maths book A rectangular sand box is 5 m wide and 2 m long. How many cubic metres of sand are needed to fill the box upto a depth of 10 cm ?
	A. 1
	B. 10
	C. 100
	D. 1000

Ans: 1

Q10.	class 9 ncert maths book pdf If the radius of a cylinder is 4cm and height is 10cm, then total surface area of cylinder is:
	A. 440 sq.cm
	B. 352 sq.cm
	C. 400 sq.cm
	D. 412 sq.cm

Ans: 352 sq.cm

Q11.	class 9 ncert maths book pdf download In a cylinder, radius is doubled and height is halved, curved surface area will be
	A. halved
	B. doubled
	C. same
	D. four time

Ans: same

Q12.	class 9 ncert maths chapter 13 The surface area of cuboid-shaped box having length=80 cm, breadth=40cm and height=20cm is:
	A. 11200 sq.cm
	B. 13000 sq.cm
	C. 13400 sq.cm
	D. 12000 sq.cm

Ans: 11200 sq.cm

Q13.	class 9 ncert maths chapter 13 exercise The radius of two similar right circular cones are 2 cm and 6 cm. The ratio of their volumes is
	A. 1 : 3
	B. 1 : 9
	C. 9 : 1
	D. 1 : 27

Ans: 1 : 27

Q14.	class 9 ncert maths Surface Areas and Volumes pdf The ratio of the radii of two spheres whose volumes are in the ratio 64 : 27 is
	A. it is 8 : 3.
	B. it is 16 : 9.
	C. it is 10 : 7.
	D. it is 4 : 3.

Ans: it is 4 : 3.

Q15.	class 9 ncert maths solutions In a cylinder, radius is doubled and height is halved, curved surface area will be
	A. halved
	B. doubled
	C. same
	D. four time

Ans: same

Q16.	class 9 ncert maths solutions chapter 13 The total surface area of a cone whose radius is \(\frac{r}{2}\) and slant height 2l is
	A. 2pr(l + r)
	B. pr(l + \(\frac{r}{4}\))
	C. pr(l + r)
	D. 2prl

Ans: pr(l + \(\frac{r}{4}\))

Q17.	mcq for class 9 maths chapter 13 The radius of a hemispherical balloon increases from 6 cm to 12 cm as air is being pumped into it. The ratios of the surface areas of the balloon in the two cases is
	A. 1 : 4
	B. 1 : 3
	C. 2 : 3
	D. 2 : 1

Ans: 1 : 4

Q18.	mcq for class 9 maths Surface Areas and Volumes The length of the longest pole that can be put in a room of dimension (10 m × 10 m × 5 m) is
	A. 15 m
	B. 16 m
	C. 10 m
	D. 12 m

Ans: 15 m

Q19.	mcq questions for class 9 maths chapter 13 The lateral surface area of a cube is 256 m³. The volume of the cube is
	A. 512 m³
	B. 64 m³
	C. 216 m³
	D. 256 m³

Ans: 512 m³

Q20.	mcq questions for class 9 maths ncert chapter 13 The radii of two cylinders are in the ratio of 2 : 3 and their heights are in the ratio of 5 : 3. The ratio of their volumes is
	A. 10 : 17
	B. 20 : 27
	C. 17 : 27
	D. 20 : 37