Question

Find the sum of all three digit numbers which are multiples of 9 asap.​

Answer 1

Now we will find the largest 3-digit number that is a multiple of 9. The largest 3 digit number is 999, we can see that 999 is divisible by 9 because it satisfies the divisibility rule for 9. The sum of digits of 999 is 27 and 27 is divisible by 9.