Answers

2015-03-19T07:08:09+05:30
1+3+11+15=30

3+5+7+15=30

7+13+11-1=30

7+13+1+9=30

11+9+13-3=30

11+9+7+3=30

9+1+15+5=30

7+3+9+11=30

15+5+11-1=30

15+5+7+3=30


There still many combinations.

Hope these help you :-)
0
but there are 5 boxes right
where?
In the question
but,not in this question
It is in the question .Please check the question , answer and then comment