The even whole numbers greater than 21 and less than 28 are: 22, 24 and 26
109 whole numbers greater than 9 and less than 999 are multiples of 9
19,23
57 to 89
6
45 of them.
220 The numbers are 48,42,40,36,30,24
There are 499 whole numbers that fit those conditions.
49
There is no whole number but a infinite fractional numbers
49
14