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A room in the form of a cylinder surmounted by a hemisphere valuted dome contains 17.7 `m^(3)` .After recycling, this water is used to irriegate a park of hospital whose length is 25 m and breadth is 20 m. If tank is filled completely then what will be the height of standing water used for irrigting the park write you views on recycling of water.

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The correct Answer is:
3 metres (approx)
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NAGEEN PRAKASHAN-VOLUME AND SURFACE AREA OF SOLIDS-Exercise
  1. A wooden toy is in the shape of a cone mounted on a cylinder as shown ...

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  2. A sphere just fits in a cylindrical vessel and the height of the cylin...

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  3. A room in the form of a cylinder surmounted by a hemisphere valuted do...

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  4. In a hospital used water is collected in a cylindrical tank of diamete...

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  5. Three metal cubes with edges 6cm , 8cm and 10cm respectively are melte...

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  6. Six cubes each of side 12 cm are joined end to end .Find the surface a...

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  7. Two cubes each of volume 64 cm^(3) are joined end to end.Find the surf...

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  8. 40 circular plates each of radius 7 cm and thickness 1.5 cm are placed...

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  9. A right circular cone is 8 cm high and radius of its base is 2 cm .The...

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  10. A girl fills a cylindrical bucket 32 cm in height and 18 cm in radius ...

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  11. The volume of a sphere is (4pi)/(3) cm^(3).Find the volume of that cub...

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  12. A cone of height 4 cm is melted and recast into a sphere of diameter 8...

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  13. A metallic sphere of radius 7 cm is melted and recast in to right circ...

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  14. The height and base radius of a metallic cone are 216 cm and 16 cm res...

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  15. The base diameter and height of a metallic cone are 24cm and 6cm respe...

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  16. (a) Three metallic spherical balls of radii 3 cm , 4cm and 5 cm are me...

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  17. (a) How many balls of radius 1 cm can be drawn by melting metallic sph...

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  18. (a) How many spherical balls of diameter 12 cm can be construct ed by ...

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  19. A metallic sphere of radus 4 cm and a metallic cone of base readius 3 ...

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  20. How many solid speherical balls of radus 3.5 cm can be recast by melt...

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