CBSE Class 9 Maths Surface Areas and Volumes MCQs Set A

CBSE Class 9 Maths Surface Areas and Volumes MCQs Set A with answers available in Pdf for free download. The MCQ Questions for Class 9 Surface areas and Volumes with answers have been prepared as per the latest syllabus, NCERT books and examination pattern suggested in Standard 9 by CBSE, NCERT and KVS. Multiple Choice Questions are an important part of exams for Grade 9 Surface areas and Volumes and if practiced properly can help you to get higher marks. Refer to more Chapter-wise MCQs for NCERT Class 9 Surface areas and Volumes and also download more latest study material for all subjects

Surface Areas and Volumes Class 9 MCQ

Class 9 Surface areas and Volumes students should refer to the following multiple-choice questions with answers for Surface Areas and Volumes in standard 9. These MCQ questions with answers for Grade 9 Surface areas and Volumes will come in exams and help you to score good marks

Class 9 Surface Areas and Volumes MCQ Questions with Answers

1. The surface area of a cuboid is

(a) 2(lb + bh + lh) (b) 3(lb + bh + lh) (c) 2(lb – bh – lh) (d) 3(lb – bh – lh)

2. The surface area of a cube if edge ‘a’ is

(a) 7a2 (b) 6a2 (c) 5a3 (d) 5a2

3. The length, breadth and height of a room is 5m, 4m and 3m. The cost of white washing its four walls at the rate of Rs. 7.50 per m2 is

(a) Rs. 110 (b) Rs. 109 (c) Rs. 220 (d) Rs. 105

4. The perimeter of floor of rectangular hall is 250m. The cost of the white washing its four walls is Rs. 15000. The height of the room is

(a) 5m (b) 4m (c) 6m (d) 8m

5. The breadth of a room is twice its height and is half of its length. The volume of room is 512dm3. Its dimensions are

(a) 16 dm, 8 dm, 4 dm (b) 12 dm, 8 dm, 2 dm

(c) 8 dm, 4 dm, 2 dm (d) 10 dm, 15 dm, 20 dm

6. The area of three adjacent faces of a cube is x, y and z. Its volume V is

(a) V = xyz (b) V3 = xyz (c) V2 = xyz (d) none of these

7. Two cubes each of edge 12 cm are joined. The surface area of new cuboid is

(a) 140 cm2 (b) 1440 cm2  (c) 144 cm2  (d) 72 cm2 

8. The curved surface area of cylinder of height ‘h’ and base radius ‘r’ is

(a) 2∏rh (b) ∏rh (c) 1/2∏rh (d) none of these

9. The total surface area of cylinder of base radius ‘r’ and height ‘h’ is

(a) 2π(r + h) (b) 2πr(r + h) (c) 3πr(r + h) (d) 4πr(r + h)

10. The curved surface area of a cylinder of height 14 cm is 88 cm2. The diameter of its circular baseis

(a) 5cm (b) 4cm (c) 3cm (d) 2cm

11. It is required to make a closed cylindrical tank of height 1 m and base diameter 140cm from a metal sheet. How many square meters a sheet are required for the same?

(a) 6.45m2 (b) 6.48m2 (c) 7.48m2 (d) 5.48m2.

12. A metal pipe is 77 cm long. Inner diameter of cross section is 4 cm and outer diameter is 4.4 cm. Its inner curved surface area is:

(a) 864 cm2 (b) 968 cm2 (c) 768 cm2 (d) none of these


More Questions......................


Question: Each side of a cube is increased by 50%. Then the surface area of the cube increases by

  • a) 50%
  • b) 100%
  • c) 150%
  • d) 125%

Answer: 50%

Question: Instead of walking along two adjacent sides of a rectangular field, a boy took a short cut along the diagonal and saved a distance equal to half the longer side. Then the ratio of the shorter side to the longer side is

  • a) 3/4
  • b) 2/3
  • c) 1/2
  • d) 1/4

Answer: 3/4

Question: The number of surfaces in right circular cylinder is

  • a) 4
  • b) 2
  • c) 1
  • d) 3

Answer: 4

Question: A covered wooden box has the inner measures as 115 cm, 75 cm and 35 cm. Find the volume of the wood.

  • a) 82,125 cu cm
  • b) 85,000 cu cm
  • c) 84,000 cu cm
  • d) 80,000 cu cm

Answer: 82,125 cu cm

Question: The edge of a cube is 20 cm. How many small cubes of 5 cm edge can be formed from this cube?

  • a) 64
  • b) 4
  • c) 32
  • d) 100

Answer: 64

Question: A metallic right circular cone of height 9 cm and base radius 7 cm is melted into a cuboid whose two sides are 11 cm and 6 cm. What is the third side of the cuboid?

  • a) 7 cm
  • b) 5 cm
  • c) 6 cm
  • d) 10 cm

Answer: 7 cm

Question: The slant height of a cone is increased by P%. If radius remains same, the curved surface area is increased by

  • a) P%
  • b) 2P%
  • c) P2%
  • d) None of these

Answer: P%

Question: The dimensions of a hall are 40 m, 25 m and 20 m. if each person requires 200 cubic metre, then the number of persons who can be accommodated in the hall are

  • a) 100
  • b) 150
  • c) 120
  • d) 140

Answer: 100

Question: A hollow spherical ball whose inner radius is 4 cm is full of water. Half of the water is transferred to a conical cup and it completely filled the cup. If the height of the cup is 2 cm, then the radius of the base of cone, in cm is

  • a) 8
  • b) 4
  • c) 16
  • d) 12

Answer: 8

Question: The radius of the cylinder whose lateral surface area is 704 cm2 and height 8 cm is

  • a) 14 cm
  • b) 4 cm
  • c) 6 cm
  • d) 8 cm

Answer: 14 cm

Question: The radius of cylinder is doubled but its lateral surface area is unchanged. Then its height must be

  • a) halved
  • b) constant
  • c) doubled
  • d) tribled

Answer: halved

Question: The ratio of the volume and surface area of a sphere of unit radius

  • a) 1 : 3
  • b) 4 : 3
  • c) 3 : 4
  • d) 3 : 1

Answer: 1 : 3

Question: A cylindrical rod whose height is 8 times of its radius is melted and recast into spherical balls of same radius. The number of balls will be

  • a) 6
  • b) 4
  • c) 3
  • d) 8

Answer: 6

Question: A sphere and a cube are of the same height. The ratio of their volume is

  • a) 11 : 21
  • b) 21 : 11
  • c) 3 : 4
  • d) 4 : 3

Answer: 11 : 21



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