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A reservoir in the form of the frustu...

A reservoir in the form of the frustum of a right circular cone contains `44xx10^7` litres of water which fills it completely. The radii of the bottom and top of the reservoir are 50 metres and 100 metres respectively. Find the depth of water and the lateral surface area of the reservoir. (Take `pi=22//7` )

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RD SHARMA-SURFACE AREAS AND VOLUMES-All Questions
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  2. A tent consists of a frustum of a cone capped by a cone. If the rad...

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  3. A reservoir in the form of the frustum of a right circular cone con...

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  4. A solid metallic right circular cone 20 cm high with vertical angle...

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  5. A bucket is in form of a frustum of a cone with a copacity of 12308.8 ...

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  6. A bucket made of aluminium sheet is of height 20 cm and its upper a...

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  7. The radii of the circular ends of a solid frustum of a cone are 33 ...

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  8. A bucket made up of a metal sheet is in the form of a frustum of a ...

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  9. A solid is in the shape of a frustum of a cone. The diameters of th...

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  10. A milk container is made of metal sheet in the shape of frustum of a c...

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  11. A solid cone of base radius 10 cm is cut into two parts through the...

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  12. A bucket open at the top, and made up of a metal sheet is in the form ...

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  13. In Fig. 16.74, from the top of a solid cone of height 12 cm and bas...

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  14. A metallic sphere 1 dm in diameter is beaten into a circular sheet ...

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  15. Three solid spheres of radii 3, 4 and 5 cm respectively are melted ...

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  16. A spherical shell of lead, whose external diameter is 18 cm, is mel...

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  17. A well with 10m inside diameter is dug 8.4m deep. Earth taken out o...

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  18. In the middle of a rectangular field measuring 30 mxx20 m , a well ...

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  19. The inner and outer radii of a hollow cylinder are 15 cm and 20 cm,...

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  20. Two cylindrical vessels are filled with oil. Their radii are 15 cm,...

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