Answer :

tarunchowdary144
it is it is impossible to get answer in even number by adding odd number. 
But it can do by factorial method.
3! + 15 + 9 =30
3! + 11 + 13 = 30 
3! = 1*2*3 = 6
kaushikravikant
It can be solved by factorial method
3 factorial means 3×2×1=6×
3 factorial+9+15
6+9+15=30

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