volumes MCQs – Page 4

Practise focused volumes questions with marked answers for exam preparation and subject revision.

volumes Mcqs
61. The volumes of two cubes are in the ratio 27: 125, what shall be the ratio of their surface areas?
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A. 9:25

B. 16:25

C. 6:25

D. 3:05

62. Two cylinders are of the same height. Their radii are in the ratio 1: 3. If the volume of the first cylinder is 40 cc. Find the volume of the second cylinder?
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A. 300 cc

B. 360 cc

C. 36 cc

D. 60 cc

63. The spherical ball of lead 3 cm in diameter is melted and recast into 3 spherical balls. The diameters of two of these are 1 cm and 2 cm respectively. The diameter of third ball is?
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A. 2.66 cm

B. 3.5 cm

C. 3 cm

D. 2.5 cm
64. If the sides of a cube are in the ratio 4:3. What is the ratio of their diagonals?
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A. 3:04

B. 4:3

C. 16:09

D. 64:27:00

65. The diameter of a cylindrical tin is 6cm and height is 5 cm. Find the volume of the cylinder?
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A. 150 ? cc

B. 45 ? cc

C. 180 ? cc

D. 30 ? cc

66. The edges of a cuboid are 4 cm, 5 cm and 6 cm. Find the volume of the cuboid?
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A. 120 cm<sup>3</sup>

B. 15 cm<sup>3</sup>

C. 148 cm<sup>2</sup>

D. 120 cm2
67. Surface area of a sphere is 2464 cm2. If its radius is doubled, then the surface area of _________?the new sphere will be
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A. 9856 cm2

B. 4727 cm2

C. 4920 cm2

D. 19712 cm2

68. A cistern of capacity 8000 litres measures externally 3.3 m by 2.6 m by 1.1 m and its walls are 5 cm thick. The thickness of the bottom is__________?
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A. 1 m

B. 1.1 cm

C. 90 cm

D. 1 dm
69. The volume of a cube is 1728 cc. Find its surface.
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A. 468 cm<sup>2</sup>

B. 648 cm<sup>2</sup>

C. 486 cm<sup>2</sup>

D. 864 cm2
70. The radius of the base of cone is 3 cm and height is 4 cm. Find the volume of the cone?
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A. 8 ? cm<sup>3</sup>

B. 12 ? cm3

C. 10 ? cm<sup>3</sup>

D. 6 ? cm<sup>3</sup>

71. The edge of three cubes of metal is 3 dm, 4 dm and 5 dm. They are melted and formed into a single cube. Find the edge of the new cube?
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A. 6 dm

B. 3 dm

C. 4 dm

D. 5 dm