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A cube is painted red on all faces is cut into 27 small cubes of equal size then how many cubes are not painted on any face?
  • a)
    1
  • b)
    6
  • c)
    2
  • d)
    4
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
A cube is painted red on all faces is cut into 27 small cubes of equal...
There is only one cube which is not painted on any face. 
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Community Answer
A cube is painted red on all faces is cut into 27 small cubes of equal...
To solve this problem, let's break it down step by step:

1. Determine the total number of small cubes:
A cube has 6 faces, so each face of the large cube has a side length equal to the side length of the small cube. Since the large cube is cut into 27 small cubes, each side of the large cube is divided into 3 equal parts. Therefore, the total number of small cubes is 3 x 3 x 3 = 27.

2. Calculate the number of cubes painted on any face:
Since all faces of the large cube are painted red, each face is covered by 3 x 3 = 9 small cubes. Since there are 6 faces, the total number of small cubes painted on any face is 6 x 9 = 54.

3. Determine the number of cubes not painted on any face:
To find the cubes that are not painted on any face, we subtract the number of cubes painted on any face from the total number of small cubes. Therefore, 27 - 54 = -27.

Explanation:
The answer is -27, which is not a valid option. It seems that there is a mistake or ambiguity in the question because it is not possible for a cube to have a negative number of small cubes that are not painted on any face.

Therefore, the correct answer cannot be determined based on the given information.
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