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If the height of a cone is doubled then ...

If the height of a cone is doubled then its volume is increased by

A

1

B

2

C

3

D

4

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The correct Answer is:
A
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RS AGGARWAL-VOLUME AND SURFACE AREA OF SOLIDS-Multiple Choice Questions (Mcq)
  1. The volume of a right circular cone of height 24 cm is 1232 cm^(3). It...

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  2. If the volume of two cones be in the ratio 1 : 4 and the ratii of thei...

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  3. If the height of a cone is doubled then its volume is increased by

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  4. The curved surface area of one cone is twice that of the other while t...

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  5. The ratio of the volumes of a right circular cylinder and a right circ...

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  6. A right circular cylinder and a right circular cone have the same radi...

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  7. The radii of the bases of a cylinder and a cone are in the ratio 3 : 4...

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  8. If the height and the radius of a cone are doubled, the volume of the ...

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  9. A solid metallic cylinder of base radius 3 cm and height 5 cm is melte...

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  10. A conical tents is to accommodate 11 person such that each person occu...

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  11. The volume of a sphere of radius 2r is

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  12. The volume of a sphere of radius 10.5 cm is

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  13. The surface area of a sphere of radius 21 cm is

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  14. The surface area of a sphere is 1386 cm^(2). Its volume is

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  15. If the surface area of a sphere is (144 pi)m^(2) then its volume is

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  16. The volume of a sphere is 38808 cm^(3). Its curved surface area is

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  17. If the ratio of the volumes of two spheres is 1 : 8 then the ratio of ...

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  18. A solid metal ball of radius 8 cm is melted and cast into smaller ball...

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  19. A cone is 8.4 cm heigh and the radius of its base is 2.1 cm. It is mel...

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  20. A solid lead ball of radius 6 cm is melted and then drawn into a wire ...

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