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Volume of a cuboid

Q. A large cu...

Question

Q. A large cube with side 6 cm is colored red on all faces, and then is cut into small identical cubes of 1 cm side each. Now, how many small cubes will have only two faces colored?

A

216

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B

48

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C

96

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D

8

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Solution

The correct option is B 48
$n = \frac{6}{1} = 6$

small cubes with only two faces coloured $= 12 (n - 2)$

$= 12 (6 - 2)$

$= 12 \times 4 = 48.$

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