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Find the cost of sinking a tubewell 2...

Find the cost of sinking a tubewell 280m deep, having diameter 3m at the rate of Rs. 3.60 per cubic metre. Find also the cost of cementing its inner curved surface at Rs. 2.50 per square metre.

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RD SHARMA ENGLISH-MENSURATION-III (SURFACE AREA AND VOLUME OF A RIGHT CIRCULAR CYLINDER)-All Questions
  1. A rectangular sheet of paper 30 c m\ ×\ 18 c m can be transformed in...

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  2. The rain which falls on a roof 18m long and 16.5m wide is allowed t...

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  3. A piece of ductile metal is in the form of a cylinder of diameter 1...

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  4. Find the length of 13.2 kg of copper wire of diameter 4mm, when 1 c...

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  5. 2.2 cubic dm of brass is to be drawn into a cylindrical wire 0.25 c...

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  6. The difference between inside and outside surfaces of a cylindrical...

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  7. Water flows out through a circular pipe whose internal diameter is ...

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  8. A cylindrical tube, open at both ends, is made of metal. The intern...

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  9. From a tap of inner radius 0.75cm, water flows at the rate of 7m...

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  10. A cylindrical water tank of diameter 1.4m and height 2.1m is being ...

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  11. A rectangular sheet of paper 30 c m\ ×\ 18 c m can be transformed in...

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  12. How many litres of water flow out of a pipe having an area of cross...

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  13. A solid cylinder has a total surface area of 231\ c m^2dot Its curv...

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  14. Find the cost of sinking a tubewell 280m deep, having diameter 3...

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  15. Find the length of 13.2 kg of copper wire of diameter 4mm, when 1 c...

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  16. 2.2 cubic dm of brass is to be drawn into a cylindrical wire 0.25 c...

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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. A hollow garden roller, 63cm wide with a girth of 440 cm, is made o...

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  19. What length of a solid cylinder 2 cm in diameter must be taken to r...

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

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