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A path 2 m wide surrounds a circular ...

A path 2 m wide surrounds a circular pond of diameter 40 m. How many cubic metres of gravel are required to grave the path to a depth of 20 cm?

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RD SHARMA ENGLISH-SURFACE AREAS AND VOLUMES-All Questions
  1. 50 circular plates each of diameter 14 cm and thickness 0.5 cm are ...

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  2. 25 circular plates, each of radius 10.5 cm and thickness 1.6 cm, ar...

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  3. A path 2 m wide surrounds a circular pond of diameter 40 m. How man...

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  4. A 16 m deep well with diameter 3.5 m is dug up and the earth from i...

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  5. A well of diameter 2 m is dug 14 m deep. The earth taken out of it ...

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  6. Find the volume of the largest right circular cone that can be cut out...

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  7. A cylindrical bucket, 32 cm high and 18 cm of radius of the base, i...

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  8. Rain water, which falls on a flat rectangular surface of length 6 m...

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  9. A conical flask is full of water. The flask has base-radius r and h...

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  10. A rectangular tank 15 m long and 11 m broad is required to receive ...

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  11. A hemispherical bowl of internal radius 9 cm is full of liquid. Thi...

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  12. The diameters of the internal and external surfaces of a hollow sph...

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  13. A hollow sphere of internal and external diameters 4 cm and 8 cm re...

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  14. A cylindrical tub of radius 12 cm contains water to a depth of 20 c...

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  15. 500 persons have to dip in a rectangular tank which is 80 m long an...

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  16. A cylindrical jar of radius 6 cm contains oil. Iron spheres each of...

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  17. A hollow sphere of internal and external radii 2 cm and 4 cm respec...

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  18. The internal and external diameters of a hollow hemispherical vesse...

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  19. Raise in water level problems : A cylinderical tub of radius 12 cm con...

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  20. A spherical ball of radius 3 cm is melted and recast into three sph...

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