Question

how to get 30 by adding three number from 1,3,5,7,9,11,13,15

Answer 1

Sum of 3 odd numbers is always an odd number.
For eg :- 7, 9 etc. ( odd numbers )
7× 3 = 21
9×3 = 27

Therefore, we cannot obtain 30 by add 3 odd numbers.

Hope it helps u .... ^_^