Answers

2015-08-17T17:32:41+05:30
It is impossible because if we add 5 odd numbers(or any number odd times) it will never get a even number... 
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2015-08-17T19:36:19+05:30
( 15 * 3 ) - 5 - 9 - 1 = 30

1) 15*3 = 45
2) 45-5 = 40
3) 40-9=31
4) 31-1=30
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