Answers

2015-06-02T19:33:18+05:30
Odd numbers don't add up to give you an even number.
It is possible only in case of factorial.

3!+1+3+13+7=30 

3!+3!+3!+3!+3!=30

11+1+3+15=30

3! + 15 + 9 = 30
0
2015-06-03T10:06:56+05:30
(11+1) / 3 + 15 + 11 = 30
0