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A hemispherical bowl made of brass has i...

A hemispherical bowl made of brass has inner diameter 105 cm. Find the cost of tin-plating it on the inside at the rate of Rs 16 per `100 cm^2`.

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MBD-Surface Areas and Volumes-Exercise
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  2. The radius of a spherical balloon increases from 7 cm to 14 cm as air ...

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  3. A hemispherical bowl made of brass has inner diameter 105 cm. Find the...

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  4. Find the radius of a sphere whose surface area is 154 cm^2.

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  7. A right circular cylinder just encloses a sphere of radius r (see Fig....

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  8. A right circular cylinder just encloses a sphere of radius r (see Fig....

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  9. A right circular cylinder just encloses a sphere of radius r (see Fig....

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  10. Find the suface area of a sphere whose radius is 10 cm : (Take pi=3.14...

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  11. Find the suface area of a sphere whose radius is 5 cm : (Take pi=3.14)...

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  12. Find the surface area of sphere whose radius is 3 cm.

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  13. Find the surface area of a sphere whose diameter is 21 dm.

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  14. The radius of a spherical balloon increases from 6 cm to 12 cm. Compar...

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  15. The dome of a building is in the form of a hemisphere. Its radius is 6...

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  16. Assuming the earth to be a sphere of radius 6370 km, how many square k...

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  17. A wooden toy is in the form of a cone surmounted by a hemisphere. The ...

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  18. A matchbox 4 cm x 2.5 cm x 1.5 cm. What will be the volume a packet co...

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  19. A cuboidal water tank is 6 m long, 5 m wide and 4.5 m deep. How many l...

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  20. A cuboidal vessel is 10 m long and 8 m wide. How high must it be made ...

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