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A solid cube of each side 10 cm, has bee...

A solid cube of each side 10 cm, has been painted red, blue and black on pairs of opposite faces. It is then cut into cubical blocks of each side 2 cm. Answer the following questions.
How many cubes have three faces painted?

A

0

B

8

C

12

D

10

Text Solution

Verified by Experts

The correct Answer is:
B
In this question X = 10 and x = 2
There are 8 such cubes.
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MCGROW HILL PUBLICATION-PROBLEMS ON CUBES AND DICE-EXERCISE 3
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  2. A cube is coloured red on all faces. It is cut into 64 smaller cubes o...

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  3. A cube is coloured red on all faces. It is cut into 64 smaller cubes o...

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  4. A cube is coloured red on all faces. It is cut into 64 smaller cubes o...

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  5. How many minimum number of colours will be required to paint all the s...

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  6. A cube is painted blue on all faces. It is cut into 125 smaller cubes ...

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  7. A cube is painted blue on all faces. It is cut into 125 smaller cubes ...

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  8. Six faces of a cube are coloured black, brown, green, red, white and b...

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  9. Six faces of a cube are coloured black, brown, green, red, white and b...

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  10. Six faces of a cube are coloured black, brown, green, red, white and b...

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  11. A solid cube of each side 10 cm, has been painted red, blue and black ...

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  12. A solid cube of each side 10 cm, has been painted red, blue and black ...

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  13. A solid cube of each side 10 cm, has been painted red, blue and black ...

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  14. A solid cube of each side 10 cm, has been painted red, blue and black ...

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  15. A solid cube of each side 10 cm, has been painted red, blue and black ...

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  16. A solid cube of each side 10 cm, has been painted red, blue and black ...

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  17. A solid cube of each side 10 cm, has been painted red, blue and black ...

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  18. A solid cube of each side 10 cm, has been painted red, blue and black ...

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  19. A solid cube of each side 10 cm, has been painted red, blue and black ...

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  20. A solid cube of each side 10 cm, has been painted red, blue and black ...

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