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The breadth of a room is twice its hei...

The breadth of a room is twice its height, one half of its length and the volume of the room is `512 \ cu\ m` Find the dimensions.

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RD SHARMA ENGLISH-SURFACE AREA AND VOLUME OF A CUBOID AND CUBE-All Questions
  1. The areas of three adjacent faces of a cuboid are x ,\ y\ a n d\ zd...

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

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

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

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  5. Water in a canal, 30 dm wide and 12 dm deep , is flowing with a veloci...

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

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  7. Half cubic metre of gold-sheet is extended by hammering so as to cov...

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  8. A metal cube of edge 12cm is melted and formed into three smaller c...

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  9. The dimensions of a cinema hall are 100m, 50m and 18m. How many per...

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  10. Given that 1 cubic cm of marble weighs 0.25 kg, the weight of marbl...

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  11. A box with lid is made of 2cm thick wood. Its external length, brea...

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  12. The external dimensions of a closed wooden box are 48cm, 36cm, 30cm...

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  13. How many cubic centimetres of iron are there in an open box whose e...

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  14. A cub of 9\ c m edge is immersed completely in a rectangular vessel...

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  15. A rectangular container, whose base is a square of side 5cm, stands...

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  16. A field is 200m long and 150m broad. There is a plot, 50m long and ...

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  17. A field is in the form of a rectangle of length 18m and width 15m. ...

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  18. A rectangular tank is 80m long and 25m broad. Water flows into it t...

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  19. Water in a rectangular reservoir having base 80m by 60m is 6.5m dee...

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  20. A village, having a population of 4000, requires 150 litres of water ...

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