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Measuring Size

A cube is pai...

Question

A cube is painted red on two adjacent faces and on one opposite face, yellow on two opposite faces and green on the remaining face. It is then cut into $64$ equal cubes. How many cubes have only one coloured face as red?

A

4

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B

8

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C

12

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D

16

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Solution

The correct option is C $12$
On each of the three red painted faces, the middle square of $2$ cubes have red paint on only one face. So,total number of cubes with one face painted red $= 2 \times 2 \times 3 = 12$

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