If you are including 1 & 19 then they are:
1,3,5,7,9,11,13,15,17 & 19.
Do you see how each odd number is "2" bigger than the previous one?
The odd numbers between 1 and 19 are: 1 3 5 7 9 11 13 15 17 19
It cannot make the sum because: if the numbers are in odd quantity there sum is always a odd number
38
All the odd numbers between 1 and 2001.
19
The odd numbers between 1 and 19 are: 1 3 5 7 9 11 13 15 17 19
20 of them.
It cannot make the sum because: if the numbers are in odd quantity there sum is always a odd number
1 3 5 7 9 11 13 15 17 19
38
The odd numbers between 1 and 10 are 1, 3, 5, 7, and 9.
All the odd numbers between 1 and 2001.
19
1, 3, 5, 7, 9, 11, 13, 15, 17, 19
The odd digit in 14 is "1". The odd factors of 14 are 1 and 7. The odd numbers between 0 and 14 are 1,3,5,7,9,11,13.
There are 136 odd number between 1 and 275.
There are 39 odd numbers between 1 and 80.