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By melting a metal cube of side 5 cm each, some cubes of sides 1 cm each are made, then what will be the ratio of the total surface areas of the large cube to the total surface area of each small cubes ?

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CALCUTTA BOOK HOUSE-RECTANGULAR PARALLELOPIPED OR CUBOID-EXERCISE-(MCQs)
  1. If the length of the side of a cube be doubled, then how many percenta...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  17. Length of a side of a cube is 7cm,find its diagonal length.

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  18. If a hole of size 5 m xx 4·5 m xx 2.1 m be dug in the middle position ...

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  19. Length of a side of a cube is 5cm,find its diagonal length.

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  20. Length of a rectangular box is 5cm,width 5cm and height 15cm,find the ...

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