Sagot :
It doesn't matter how many there are altogether.
All you need to know is that 15 is the fifth odd number,
and you need the third odd number.
So the one you want is 2 odd numbers back from 15. That's 11 .
All you need to know is that 15 is the fifth odd number,
and you need the third odd number.
So the one you want is 2 odd numbers back from 15. That's 11 .