Mark the correct alternative of the following.
The difference between the largest three digit number and the largest three digit number with distinct digits is?
Correct option is C. $$12$$
Largest 3-digit number =999
The largest 3- distinct digits are 9, 8 and 7
So, the largest 3- digit number with distinct digits=987
Their difference= 999-987 = 12
So, the correct option is c