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If three edges of a cuboid be a, b, c un...

If three edges of a cuboid be a, b, c units volume be v cubic units and total surface areas be s sq-units, then what is the value of `1/v` ?

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The correct Answer is:
`2/s (1/a+1/b+1/c)`
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CALCUTTA BOOK HOUSE-RECTANGULAR PARALLELOPIPED OR CUBOID-EXERCISE-(MCQs)
  1. The lateral surfaces of a cuboid are to each other.

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

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

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

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

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

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

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

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

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

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

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  12. The length, breadth and height of a cuboidal piece of ice are 40 cm, 2...

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  13. Determine the total surface area, volume and length of diagonal of a c...

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  14. The volume of a cuboid is 440 cc. If the area of the base of the cubo...

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  15. If a cuboid of length, breadth and height 100 cm, 80 cm and 64 cm resp...

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  16. A part of a cuboidal pot of length 15 cm and of breadth 12 cm is full ...

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  17. If the soil obtained by digging holes of breadth 10 metres around the ...

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  18. If three cubes of side 5 cm each be joined together, then what will be...

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  19. A wooden block is of length 6 metres, of breadth 15 cm and of thicknes...

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  20. The length and breadth of a rectangular land are 20 metres and 14 metr...

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