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How many cube...

Question

How many cubes have two faces painted?

A

102

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B

72

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C

65

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D

41

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Solution

The correct option is A 72
Number of cubes having two faces coloured
= $12 (\frac{A}{a} - 2) = 12 (\frac{8}{1} - 2) = 72$
So the answer is (2)

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