In the above picture there are three triangles. A number is missing among one of the triangles. Your tasks is to find out the missing number using simple mathematical logic. Can you do it.


The missing number is 9
Explanation:
First Triangle: 2^4=16,2^2=4,2^1=2=>4+2+1=7
Second Triangle: 2^5=32, 2^3=8, 2^2=4=> 5+3+2=10
Third Triangle: 2^3=8=>3+3+3=9

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