59
Seven of them.
90 of them.
46
There are 5 of them.
There are nine of them. They are:108117126135144153162171180
There are 90 two-digit whole numbers between 1 and 100.
There are 900 three digit numbers between 99 and 3,000 - ranging from 100 to 999
Seven of them.
90 of them.
46
There are 5 of them.
There are nine of them. They are:108117126135144153162171180
The three-digit numbers between 99 and 400 start from 100 and go up to 399. To find the total count, we can calculate it as follows: 399 - 100 + 1 = 300. Therefore, there are 300 three-digit numbers between 99 and 400.
17
138 of them.
30 of them.
There are 8 numbers between 100 and 200 (inclusive) that have a digit sum of 12, namely: 129, 138, 147, 156, 165, 174, 183, 192.