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Question 1 of 30
1. Question
1. If a spherical balloon grows to twice its radius when inflated, then the ratio of the volume of the inflated balloon to the original balloon is
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Question 2 of 30
2. Question
2. The length of the longest rod that can fit in a cubical vessel of side 10 cm, is
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Question 3 of 30
3. Question
3. A right circular cone has an altitude of 40 cm and a diameter of 60 cm. The slant height of the cone is
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Question 4 of 30
4. Question
4. If the diameter of the base of a cylindrical pillar is 4 m and its height is 21 m, then the cost of construction of the pillar at Rs. 1.50 per cubic metre is:
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Question 5 of 30
5. Question
5. The height of a right circular cone of radius 5 cm and slant height 13 cm is
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Question 6 of 30
6. Question
6. The curved surface area of a right circular cone whose slant height is 14 cm and base radius is 21 cm is
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Question 7 of 30
7. Question
7. The perimeter of one face of a cube is 40 cm. The volume of the cube (in \(cm^{3}\)) is :
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Question 8 of 30
8. Question
8. The volume of the cylinder whose height is 14 cm and diameter of base 4 cm is:
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Question 9 of 30
9. Question
9. A beam 9 m long, 40 cm wide and 20 cm deep is made up of iron which weighs 50 kg per cubic metre. The weight of the beam is :
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Question 10 of 30
10. Question
10. The area surrounded by a conical tent is 4526 m2. If the cost of canvas is Rs. 17 per square meter, then find the total cost of canvas.
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Question 11 of 30
11. Question
11. The surface area of cuboidshaped box having length=80 cm, breadth=40cm and height=20cm is:
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Question 12 of 30
12. Question
12. The volume of a sphere is 38808 cu.cm. The curved surface area of the sphere (in \(cm^{2}\)) is :
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Question 13 of 30
13. Question
13. The height of a right circular cone of radius 3.5 cm and volume 77 \(cm^{3}\) is
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Question 14 of 30
14. Question
14. The ratio of the radii of two spheres whose volumes are in the ratio 64 : 27 is
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Question 15 of 30
15. Question
15. If the diameter of a cylinder is 28 cm and its height is 20 cm, then total surface area (in \(cm^{2}\)) is :
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Question 16 of 30
16. Question
16. The radius of two similar right circular cones are 2 cm and 6 cm. The ratio of their volumes is
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Question 17 of 30
17. Question
17. A 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 ?
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Question 18 of 30
18. Question
18. The cost of cementing the inner curved surface of a 14 m deep well of radius 2 m at the rate of ₹2 per m2 is
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Question 19 of 30
19. Question
19. The slant height of a cone with radius 15 cm and height 20 cm is
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Question 20 of 30
20. Question
20. A hemispherical bowl is made of steel 0.25 cm thick. If the inner radius of the bowl is 3.25 cm, then the outer curved surface area of the bowl is
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Question 21 of 30
21. Question
21. A conical tent is 15 m high and the radius of its base is 20 m. The cost of the canvas required to make the tent at the rate of ₹7 per m2 is
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Question 22 of 30
22. Question
22. The curved surface area of a right circular cylinder of height 14 cm is 88 \(cm^{2}\). The diameter of the base is:
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Question 23 of 30
23. Question
23. The formula to find surface area of a cuboid of length (l), breadth (b) and height (h) is:
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Question 24 of 30
24. Question
24. The surface area of a cube whose edge equals to 3cm is:
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Question 25 of 30
25. Question
25. The surface area of cuboidshaped box having length=80 cm, breadth=40cm and height=20cm is:
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Question 26 of 30
26. Question
26. The volume of hemisphere whose radius is r, is:
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Question 27 of 30
27. Question
27. If the radius of a cylinder is 4cm and height is 10cm, then total surface area of cylinder is:
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Question 28 of 30
28. Question
28. The curved surface area of a right circular cylinder of height 14 cm is 88 \(cm^{2}\). The diameter of the base is:
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Question 29 of 30
29. Question
29. 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:
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Question 30 of 30
30. Question
30. Diameter of the base of a cone is 10.5 cm and its slant height is 10 cm. The curved surface area is:
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