# Class 9 Math Chapter 13 Surface Areas and Volumes MCQ Questions with Answer

Surface Areas and Volumes Class 9 MCQ is one of the best strategies to prepare for the CBSE Class 9 Board exam. If you want to complete a grasp concept or work on one’s score, there is no method except constant practice. Students can improve their speed and accuracy by doing more Surface Areas and Volumes class 9 MCQ which will help them all through their board test.

## Surface Areas and Volumes Class 9 MCQ Questions with Answer

Class 9 Math MCQ with answers are given here to Chapter 13 Surface Areas and Volumes. These MCQs are based on the latest CBSE board syllabus and relate to the latest Class 9 Math syllabus. By Solving these Class 9 MCQs, you will be able to analyze all of the concepts quickly in the Chapter and get ready for the Class 9 Annual exam.

Learn Surface Areas and Volumes Class 9 MCQ with answers pdf free download according to the latest CBSE and NCERT syllabus. Students should prepare for the examination by solving CBSE Class 9 Surface Areas and Volumes MCQ with answers given below.

Question 1. 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

C

Question 2. Length of diagonals of a cube of side a cm is
(a) √2a cm
(b) √3a cm
(c) 3a−−√ cm
(d) 1 cm

B

Question 3. 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

C

Question 4. A cuboid having surface areas of 3 adjacent faces as a, b and c has the volume:
(a) 3abc−−−√
(b) abc−−−√
(c) abc
(d) (abc)²

B

Question 5. The radius of a sphere is 2r, then its volume will be
(a) 43 πr³
(b) 4πr³
(c) 83 πr³
(d) 323 πr³

D

Question 6. In a cylinder, radius is doubled and height is halved, curved surface area will be
(a) halved
(b) doubled
(c) same
(d) four time

C

Question 7. Volume of spherical shell is
(a) 23 πr³
(b) 34 πr³
(c) 43 π(R³ – r³)
(d) None of these

C

Whoever needs to take the CBSE Class 9 Board Exam should look at this MCQ. To the Students who will show up in CBSE Class 9 Math Board Exams, It is suggested to practice more and more questions. Aside from the sample paper you more likely had solved. These Surface Areas and Volumes Class 9 MCQ are ready by the subject specialists themselves.

Question 8. Volume of hollow cylinder
(a) π(R² – r²)h
(b) πR²h
(c) πr²h
(d) πr²(h1 – h1)

A

Question 9. 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

A

Question 10. 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

A

Question 11. The total surface area of a cone whose radius is r2 and slant height 2l is
(a) 2πr(l + r)
(b) πr(l + r4)
(c) πr(l + r)
(d) 2πrl

B

Question 12. 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

A

Question 13. The total surface area of a cube is 96 cm². The volume of the cube is
(a) 8 cm³
(b) 512 cm³
(c) 64 cm³
(d) 27 cm³

C

Question 14. 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

B

Question 15. A cone is 8.4 cm high and the radius of its base is 2.1 cm. It is melted and recast into a shape. The radius of the sphere is
(a) 4.2 cm
(b) 2.1 cm
(c) 2.4 cm
(d) 1.6 cm

B

You can easily get good marks If you study with the help of Class 9 Surface Areas and Volumes MCQ. We trust that information provided is useful for you. NCERT MCQ Questions for Class 9 Surface Areas and Volumes PDF Free Download would without a doubt create positive results.

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