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How many planks each of which is 2m l...

How many planks each of which is `2m` long, `2. 5\ c m\ ` broad and `4c m\ ` thick can be cut-off from a wooden block `6m\ ` long, `15\ c m` broad and `40 c m` thick?

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RD SHARMA ENGLISH-SURFACE AREA AND VOLUME OF A CUBOID AND CUBE-All Questions
  1. A plot of land in the form of a rectangle has a dimension 240 m\ x\...

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  2. A metallic sheet is of the rectangular shape with dimensions 48 c m...

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  3. How many planks each of which is 2m long, 2. 5\ c m\ broad and 4c ...

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  4. An agricultural field is in the form of a rectangle of length 20 m\...

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  5. A teak wood log is cut first in the form of a cuboid of length 2. 5...

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  6. Water in a canal, 30\ d m\ w i d e\ a n d\ 12 d m\ d e e p ,\ is ...

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  7. A rectangular reservoir is 120 m long and 75\ m wide. At what sp...

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  8. A rectangular tank measuring 5m\ x\ 4. 5 m\ x\ 2. 1 m\ is dug in ...

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  9. A rectangular water reservoir is 10. 8 mb y3. 75 m at the base. Water ...

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  10. Water flows in a tank 150 m\ x\ 100 m\ at the base, through a p...

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  11. A rectangular tank is 225 m\ by 162 m at the base. With what sp...

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  12. The external length, breadth and height of a closed rectangular woo...

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

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

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  15. Find the cost of digging a cuboidal pit 8m long, 6m broad and 3m de...

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  16. If V is the volume of a cuboid of dimensions a ,\ b ,\ c\ a n d\ S ...

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  17. The areas of three adjacent faces of a cuboid are x ,\ y\ a n d\ zd...

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  18. If the areas of three adjacent faces of a cuboid are 8\ c m^2,\ 18 c...

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  19. The breadth of a room is twice its height, one half of its length an...

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  20. A river 3 m deep and 40 m wide is flowing at the rate of 2 km per hou...

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