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

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# Surface Areas and Volumes Class 9 MCQs Questions with Answers

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

1. 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:

2. The surface area of a sphere of radius 14 cm is:

3. The formula to find the surface area of a cuboid of length (l), breadth (b) and height (h) is:

4. The curved surface area of a right circular cylinder of height 14 cm is 88 cm^2. The diameter of the base is:

5. The number of planks of dimensions (4 m × 50 cm × 20 cm) that can be stored in a pit that is 16 m long, 12m wide and 4 m deep is

6. In a cylinder, the radius is doubled and height is halved, the curved surface area will be

7. The volume of a hemisphere whose radius is r is:

8. The Curved surface area of a right circular cylinder is 4.4 sq.cm. The radius of the base is 0.7 cm. The height of the cylinder will be

9. The radius of a hemispherical balloon increases from 6 cm to 12 cm as air is being pumped into it. The ratio of the surface areas of the balloon in the two cases is

10. If the radius of a cylinder is 4cm and height is 10cm, then the total surface area of a cylinder is:

11. The diameter of the base of a cone is 10.5 cm, and its slant height is 10 cm. The curved surface area is:

12. The lateral surface area of a cube is 256 m2. The volume of the cube is

13. The total surface area of a cone whose radius is r/2 and slant height 2l is

14. The surface area of a cube whose edge equals to 3cm is:

15. The surface area of cuboid-shaped box having length=80 cm, breadth=40cm and height=20cm is:

16. The total surface area of a cube is 96 cm2. The volume of the cube is:

17. The radius of a sphere is 2r, then its volume will be

18. A cone is 8.4 cm high and the radius of its base is 2.1 cm. It is melted and recast into a sphere. The radius of the sphere is

19. If slant height of the cone is 21cm and the diameter of the base is 24 cm. The total surface area of a cone is

20. The length of the longest pole that can be put in a room of dimensions (10 m × 10 m × 5m) is

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