The probability is 0.
If they are standard cubes - with numbers from 1 to 6 - the probability is 0.
The probability is 5/6.
The probability is 1/36
The difference of their cubes is 4.
It is 1/6.
If the number cubes are standard dice cubes, the odds of rolling 3 ones is 1 in 216.
The probability is 1/36.
The probability is 0.277... (repeating).
impossible
36
1
50%