# 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

Book: National Council of Educational Research and Training (NCERT) Central Board of Secondary Education (CBSE) 9th Maths 13 Surface Areas and Volumes 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 13If 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 13A 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 VolumesThe 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 testLength 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 questionsVolume 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 papersVolume 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 solutionsThe 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 solutionsThe 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 bookA 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 pdfIf 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 downloadIn 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 13The 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 exerciseThe 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 pdfThe 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 solutionsIn 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 13The 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 13The 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 VolumesThe 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 13The 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 13The 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
Ans: 20 : 27