The remainder when the number 9999999925 is divided by 9 is

To find the remainder when 9999999925 is divided by 9, we can use the property that a number is congruent to the sum of its digits modulo 9. Here are the steps:

1. Write down the number: 9999999925.
2. Sum the digits of the number: 9 + 9 + 9 + 9 + 9 + 9 + 9 + 9 + 2 + 5.
3. Calculate the sum: 9 + 9 + 9 + 9 + 9 + 9 + 9 + 9 + 2 + 5 = 79.
4. Sum the digits of the result: 7 + 9.
5. Calculate the sum: 7 + 9 = 16.
6. Sum the digits of the result: 1 + 6.
7. Calculate the sum: 1 + 6 = 7.

Therefore, the remainder when 9999999925 is divided by 9 is 7.