Question

_+ _+ _=30 numbers can't be repeated using only numbers from one to twenty nine only odd numbers

Answer 1

9+3!+15

all are odd
it is only possible using factorial notation
as odd+odd=even
and even+odd=odd

therefore it's not possible using regular nos.

Answer 2

3 odd numbers added together can never form an even number. But... v can use decimals to solve dis 13.3+15.7+1=30