The difference between the greatest 3-digit number and the greatest 3-digit number with distinct digits is

The greatest 5 digit number

Find the difference between the greatest 5-digit number and the greatest 4-digit number formed using the digits 7, 6, 2, 5, 1 when the repetition is not allowed.

What will be the difference between the greatest 6-digit number and the greatest 5-digit number?

The sum of the greatest 4-digit number and the smallest 3-digit number is

What is the difference between the greatest 5 digit number and smallest 5 digit number?

Sum of the greatest 8 digit number and the smallest 9 digit number is

Write the greatest six digit number?