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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 only two faces painted?

A

18

B

24

C

36

D

25

Text Solution

Verified by Experts

The correct Answer is:
C
In this question X = 10 and x = 2
Such cubes are `12(10/2-2)=12xx3=36`.
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MCGROW HILL PUBLICATION-PROBLEMS ON CUBES AND DICE-EXERCISE 3
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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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  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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