Hi,

Try to solve this it's easy..........!

Only 1 Out of 100 Has been able to solve this.

If you're able to solve it you're one of those 100.
And your IQ is also above 150.
IF
7 - 3 = 124
6 + 3 = 279
5 - 2 = 63
11 + 2 = 2613
Then,
15 - 3 =   ?