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Question

How many cubes have at least two faces coloured yellow?

A
24
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B
44
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C
48
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D
96
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Solution

The correct option is B 44
All the edges of the cubes are painted yellow and the remaining portion on each face is painted pink.
Cubes containing edges with vertices, on front & back faces =16×2=32
Cubes containing edges without vertices, on top & bottom faces=6×2=12
Total no. of cubes with at least two yellow sides=32+12=44.

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