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A solid cube of 4 inches has been painted red, green and
black on the pairs of opposite faces. It has then been cut
into one inch cubes. Following questions relate to the
smaller one inch cubes.
1.How many cubes have only one face painted?
(1) 8 (2) 16
(3) 24 (4) 32
2. How many cubes have only two faces painted?
(1) 0 (2) 16
(3) 24 (4) 32
3. How many cubes have only four faces painted?
(1) 0 (2) 8
(3) 12 (4) 16
4. How many cubes have no faces painted?
(1) 0 (2) 8
(3) 16 (4) 24
How to solve this
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Answer Posted / nary
1) 24
2) 24 (since the other two sides which has 8 cubes painted
two sides 16+8 so the correct answer is 24 which is correct
when we substitue the formula 12*(n-2)=> 12*(4-2)=24)
3) 0
4) 8
| Is This Answer Correct ? | 80 Yes | 9 No |
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