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If the surface area of a sphere is 154 c...

If the surface area of a sphere is `154 cm ^(2) ` , find its radius

A

7

B

14

C

21

D

̀7/2 ̀

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VGS PUBLICATION-BRILLIANT-SURFACE AREAS AND VOLUMES-EXERCISE
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  3. Find curved surface area of a cylinder having r = x cm and h = y cm.

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  4. The ratio of volumes of cylinder and cone having same radii and height...

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  5. Total surface area of the cylinder whose radius is 3*5 cm and height 2...

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  6. Formula to find the slant height of a cone is

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  7. Surface area of a sphere whose radius is 1 unit.and height is 1 unit.

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  8. In a cylinder, if radius is halved and height is doubled, then volum...

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  9. The length of the longest flag pole that can be put in a store room of...

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  10. The radius of the sphere is 2x, then is volume will be

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  11. A pyramid is a three dimensional figure the base of which is

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  14. The cost of construction of a wall 8 m long, 4 m height and 20 cm thic...

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  15. Which of the following is the solid combination of cylinder and cone?

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  16. If the surface area of a sphere is 154 cm ^(2) , find its radius

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  17. If total surface area of a cube is 96 cm^(2), then its volume is ………

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  18. A hemispherical bowl has a radius of 3.5 cm, then its curved surface a...

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  19. A designer wanted to make a design with iron rod. He has a rod of leng...

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  20. A toy rocket is like a cone exactly mounted on a cylinder the vertical...

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