138 of them.
The answer is 138
There are 195 such numbers.
There are 156 such numbers.
There are 175 such numbers.
There are 900 three-digit whole numbers between 1 and 1000
greatest two digit number is 99. smallest whole number is 0 there fore 99-0=99
18
There are 90 two-digit whole numbers between 1 and 100.
Between 200 and 400 there are 18 whole numbers that contain the digit 7 once and only once: 207, 217, 227, 237, 247, 257, 267, 287, 297, 307, 317, 327, 337, 347, 357, 367, 387, and 397.
Zero (0) is in the set of whole number. The only difference between the set of whole numbers and counting numbers is that the whole numbers contain zero. {0,1,2,3...}
There are only 999 three digit whole numbers.
Any number between 100 & 999 inclusive !