Answer this very easy question very fast!!!
Dear student,
So big cube is looked like As:
After we painted exterior yellow Then
i ) Total number of cube painted 1 faces yellow
Here we can see that there is only 1 cube on every 6 sides of cube SO,
Total one of its faces yellow = 6 1 = 6 ( Ans )
ii ) Total number of cube painted 2 faces yellow
Here we can see that there are 4 marked as two in upper layer and 2 in rest of the sides shown in figure
So we have = 8 cube that's face is yellow on two faces
But we have same three side more that is not shown in figure that also contain 8 cube as yellow with two faces
So we have total number of cube painted 2 faces yellow = 8 + 8 = 16 ( Ans )
iii ) Total number of cube painted 3 faces yellow
There are 4 on upper layer and 4 on lower layer that have 3 faces yellow
SO,
we have total number of cubes painted 3 faces yellow = 8
So big cube is looked like As:
After we painted exterior yellow Then
i ) Total number of cube painted 1 faces yellow
Here we can see that there is only 1 cube on every 6 sides of cube SO,
Total one of its faces yellow = 6 1 = 6 ( Ans )
ii ) Total number of cube painted 2 faces yellow
Here we can see that there are 4 marked as two in upper layer and 2 in rest of the sides shown in figure
So we have = 8 cube that's face is yellow on two faces
But we have same three side more that is not shown in figure that also contain 8 cube as yellow with two faces
So we have total number of cube painted 2 faces yellow = 8 + 8 = 16 ( Ans )
iii ) Total number of cube painted 3 faces yellow
There are 4 on upper layer and 4 on lower layer that have 3 faces yellow
SO,
we have total number of cubes painted 3 faces yellow = 8