In the above picture one number is missing. A ? symbol is placed in that position. Can you find the missing number. The numbers follows a simple logic.

The missing number is 225. Did you figure it out. If you got any other answer then let us know in the comment section.
Explanation:
(2+4)^2=36
(3+1)^2=16
(6+5)^2=121
(7+8)^2=225

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