Answers

2014-12-06T20:03:41+05:30
The sum of odd numbers is always an odd number ...therefore it is not possible to get an even number 
0
what about 1+1?it would be better saying -sum of odd no.of odd no.'s is always an odd no.
2014-12-06T20:15:37+05:30
For this we should use factorial sign !

3! + 5 + 7 + 9 + 3 = 30

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

Note that 3! mean = 1 * 2 * 3 
                            = 6.
1 5 1