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An open wooden box 80 cm long, 65 cm wid...

An open wooden box 80 cm long, 65 cm wide and 45 cm high, is made of 2.5 cm thick wood. Find (i) the capacity of the box, (ii) volume of wood used and (iii) weight of the box, it being givne that 100 `cm^(3)` of wood weight 8g

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The correct Answer is:
`180000cm^(3),4.320 kg`
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RS AGGARWAL-VOLUME AND SURFACE AREA OF SOLIDS-EXERCISE 20 A
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  6. A rectangular water tank is 90 cm wide and 40 cm deep. If it can conta...

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  7. A beam, of wood is 5 m long and 36 cm thick. It is made of 1.35m^(3) o...

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  8. The volume of a room is 378m^(3) and the area of its floor is 84m^(2)....

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  9. A swimming pool is 260 m long and 140 m wide. If 54600 cubic metres of...

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  10. Find the volume of wood used to make a closed box of outer dimensionis...

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  11. Find the volume of iron required to make an open box whose external di...

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  12. A box with a lid is made of wood which is 3 cm thick. Its external len...

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  13. The external dimensions of a closed wooden box are 62 cm, 30 cm and 18...

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  14. An open wooden box 80 cm long, 65 cm wide and 45 cm high, is made of 2...

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  15. Find the volume, lateral surface area and the total surface area of a ...

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  16. The total surface area of a cube is 1176 cm^(2). Find its volume

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  17. If the volume of a cube is 729 cm^3,then its surface area will be:

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  18. The dimensions of a metal block are 2.25m by 1.5m by 27cm. It is me...

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  19. If each edge of a cube is doubled, (i) how many times will its s...

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  20. A solid cubical block of fine wood costs Rs. 256 at Rs. 500 per m^2. F...

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