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A cylinder has 'r' as the radius of the ...

A cylinder has 'r' as the radius of the base and 'h' as the height. The radius of base of another cylinder, having double volume but same height as that of the first cylinder must be equal to___

A

`(r)/(sqrt2)`

B

2r

C

`rsqrt2`

D

`sqrt2r`

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UNITED BOOK HOUSE-Right Circular Cylinder-Exercise
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  2. If the height of a solid right circular cylinder of 7cm. Is increased ...

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  3. The numarical values of volume and total surface area of a solid right...

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  4. If the ratios of the volumes and heights of two solid right circular c...

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  5. Number of surface of a solid right circular cylinder is .

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  6. The perimeter of the base of a right circular cylinder is 'a' unit. If...

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  7. The curved surface area and the total surface area of a cylinder are i...

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  8. The radii of the base of two cylinders A and B are in the ratio 3 : 2 ...

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  9. The curved surface area of a cylinderical pillar is 264 m^2 and its vo...

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  10. The base radii of two cylinders are in the ratio 2 : 3 and their heigh...

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  11. A hollow cylinder tube 20 cm long is made of iron and its external and...

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  12. A hollow iron pipe is 21 cm long and its exterior diameter is 8 cm. If...

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  13. The volume of a right circular cylindre, 14 cm in height, is equal to ...

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  14. If the volume of a right circular cylinder is 9pih m^3 where h is its ...

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  15. A right circular cylinder of height 16 cm is covered by a rectangular ...

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  16. The volume of the metal of a cylindrical pipe is 748 cm^2. The length ...

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  17. Water is being pumped out through a circular pipe whose internal diame...

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  18. A cylinder has 'r' as the radius of the base and 'h' as the height. Th...

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  19. If the height of a right circular cyliner and its radius are increased...

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  20. Two solid cylinders of radii 4 cm and 5 cm and length 6 cm and 4 cm re...

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