Home / NCERT MCQs / 9th Class / Math / Surface Areas and Volumes

9th Class - Math | Chapter: Surface Areas and Volumes MCQs

Dear candidates you will find MCQ questions of 9th Class - Math | Chapter: Surface Areas and Volumes here. Learn these questions and prepare yourself for coming examinations. You can check the right answer of any question by clicking the option or by clicking view answer button.
All subjects and chapters of 9th Class are listed below. You can select any subject and chapter below to learn mcq questions of that chapter and subject.

Q1) The formula to find surface area of a cuboid of length (l), breadth (b) and height (h) is

(A) lb+bh+hl

(B) 2(lb+bh+hl)

(D) lbh/2

View Answer Discuss Share

Q2) The surface area of a cube whose edge equals to 3cm is

(A) 62 sq.cm

(B) 30 sq.cm

(D) 90 sq.cm

View Answer Discuss Share

Q3) 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

(D) 12000 sq.cm

View Answer Discuss Share

Q4) The volume of hemisphere whose radius is r, is

(A) 4/3 πr³

(B) 4πr³

(D) ⅔ π r³

View Answer Discuss Share

Q5) 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

(D) 412 sq.cm

View Answer Discuss Share

Q6) The curved surface area of a right circular cylinder of height 14 cm is 88 cm². The diameter of the base is

(A) 2 cm

(B) 3 cm

(D) 6 cm

View Answer Discuss Share

Q7) 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 cylinder will be

(A) 2 cm

(B) 3 cm

(D) 1.5 cm

View Answer Discuss Share

Q8) Diameter of the base of a cone is 10.5 cm and its slant height is 10 cm. The curved surface area is

(A) 150 sq.cm

(B) 165 sq.cm

(D) 180 sq.cm

View Answer Discuss Share

Q9) If slant height of the cone is 21cm and diameter of base is 24 cm. The total surface area of cone is

(A) 1200.77 sq.cm

(B) 1177 sq.cm

(D) 1244.57 sq.cm

View Answer Discuss Share

Q10) The surface area of a sphere of radius 14 cm is

(A) 1386 sq.cm

(B) 1400 sq.cm

(D) 2000 sq.cm

View Answer Discuss Share

Q11) If the perimeter of one of the faces of a cube is 40 cm, then its volume is

(A) 6000 cm³

(B) 1600 cm³

(D) 600 cm³

View Answer Discuss Share

Q12) A cuboid having surface areas of 3 adjacent faces as a, b and c has the volume

(A) 3\(\sqrt{abc}\)

(B) \(\sqrt{abc}\)

(D) (abc)²

View Answer Discuss Share

Q13) 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

(D) 1 : 8

View Answer Discuss Share

Q14) Length of diagonals of a cube of side a cm is

(A) √2a cm

(B) √3a cm

(D) 1 cm

View Answer Discuss Share

Q15) Volume of spherical shell is

(A) \(\frac{2}{3}\) πr³

(B) \(\frac{3}{4}\) πr³

(D) None of these

View Answer Discuss Share

Q16) Volume of hollow cylinder

(A) π(R² – r²)h

(B) πR²h

(D) πr²(h₁ – h₁)

View Answer Discuss Share

Q17) The radius of a sphere is 2r, then its volume will be

(A) \(\frac{4}{3}\) πr³

(B) 4πr³

(D) \(\frac{32}{3}\) πr³

View Answer Discuss Share

Q18) In a cylinder, radius is doubled and height is halved, curved surface area will be

(A) halved

(B) doubled

(D) four time

View Answer Discuss Share

Q19) The total surface area of a cone whose radius is \(\frac{r}{2}\) and slant height 2l is

(A) 2πr(l + r)

(B) πr(l + \(\frac{r}{4}\))

(D) 2πrl

View Answer Discuss Share

Q20) 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

(D) 2 : 1

View Answer Discuss Share

Q21) 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

(D) 12 m

View Answer Discuss Share

Q22) The lateral surface area of a cube is 256 m³. The volume of the cube is

(A) 512 m³

(B) 64 m³

(D) 256 m³

View Answer Discuss Share

Q23) 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

(D) 20 : 37

View Answer Discuss Share

Q24) 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

(D) 1.6 cm

View Answer Discuss Share

Q25) The total surface area of a cube is 96 cm². The volume of the cube is

(A) 8 cm³

(B) 512 cm³

(D) 27 cm³

View Answer Discuss Share

9th Class mcqs download, 9th Class mcqs pdf free download, 9th Class free pdf download, 9th Class mcq questions, 9th Class ncert book pdf download,

9th Class - Math | Chapter: Surface Areas and Volumes MCQs

Q1) The formula to find surface area of a cuboid of length (l), breadth (b) and height (h) is

Q2) The surface area of a cube whose edge equals to 3cm is

Q3) The surface area of cuboid-shaped box having length=80 cm, breadth=40cm and height=20cm is

Q4) The volume of hemisphere whose radius is r, is

Q5) If the radius of a cylinder is 4cm and height is 10cm, then total surface area of cylinder is

Q6) The curved surface area of a right circular cylinder of height 14 cm is 88 cm². The diameter of the base is

Q7) 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 cylinder will be

Q8) Diameter of the base of a cone is 10.5 cm and its slant height is 10 cm. The curved surface area is

Q9) If slant height of the cone is 21cm and diameter of base is 24 cm. The total surface area of cone is

Q10) The surface area of a sphere of radius 14 cm is

Q11) If the perimeter of one of the faces of a cube is 40 cm, then its volume is

Q12) A cuboid having surface areas of 3 adjacent faces as a, b and c has the volume

Q13) 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

Q14) Length of diagonals of a cube of side a cm is

Q15) Volume of spherical shell is

Q16) Volume of hollow cylinder

Q17) The radius of a sphere is 2r, then its volume will be

Q18) In a cylinder, radius is doubled and height is halved, curved surface area will be

Q19) The total surface area of a cone whose radius is \(\frac{r}{2}\) and slant height 2l is

Q20) 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

Q21) The length of the longest pole that can be put in a room of dimension (10 m × 10 m × 5 m) is

Q22) The lateral surface area of a cube is 256 m³. The volume of the cube is

Q23) 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

Q24) 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

Q25) The total surface area of a cube is 96 cm². The volume of the cube is

Subjects (9th Class)

Chapters (Math)