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The inner length , breadth and height of a tea - box are 7.5 dcm, 6 dcm and 5.4 dcm respectively, The weight of the box fulled with tea is 52 kg 350 gms, but the weight of the empty box is 3.75 kg . Then what will be the weight of tea of volume 1 cu- dcm. ?

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Length of the tea-box = 7.5 dcm,
Breadth = 6 dcm and height = 5.4 dcm
`therefore ` Volume of the tea-box `=7.5 xx 6 xx 5.4 ` cu. Dcm
The weight of the box full with tea = 52.350 kg and the weigth of the empty box =3.75 kg
`therfore ` The wight of only tea = (52.350 - 3.75 kg) =48.6 kg
`therefore` The weight of tea of volume 243 cu -dcm =48.6 kg
` therefore '' '' '' '' '' 1 cu = dcm `=(48.6)/(243) kg =0.2 kg = 200 gms.
Hence the required wight = 200 gms
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CALCUTTA BOOK HOUSE-RECTANGULAR PARALLELOPIPED OR CUBOID-EXERCISE-(MCQs)
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  2. If the length of the diagonal of a cube be 4sqrt6cm, then the length o...

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  3. The area of a surface of a cube is 16 sq-metres. If the weight of the ...

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  4. If the length and breadth of a rectangular parallelopiped be 16 m and ...

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  5. Length of a side of a cube is 3cm,find its volume and total surface.

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  6. To make a cube of side 1 metre each, how many cubes of side 10 cm each...

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  7. The lengths of the diagonals of each surface of a rectangular parallel...

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  8. Among the length, breadth and height of a rectangular parallelopiped, ...

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  9. The number of edges of a rectangular parallelopiped is .

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  10. The lengths of the diagonals of the roof and that of the floor of a cu...

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  11. The lateral surfaces of a cuboid are to each other.

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  12. If the surface areas of three consecutive surface of a cuboid be x, y,...

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  13. If three edges of a cuboid be a, b, c units volume be v cubic units an...

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  14. The ratio of the areas of three consecutive surface of a cuboid 2 : 3 ...

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  15. If the length of the side of a cube be doubled, then how many percenta...

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  16. If the ratio of the total surface areas of two cubes be 16 : 25, then ...

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  17. By melting a metal cube of side 5 cm each, some cubes of sides 1 cm ea...

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  18. If the length of the sides of a cube of volume v be doubled, then the ...

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  19. The length and breadth of a hall-room are 15 metres and 12 metres resp...

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  20. If the total surface area of a cube be equal to the sum of the surface...

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  21. If the length of the diagonals of each surface of a cube be asqrt2 uni...

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