"Only 1 In 1000 Can Solve" The Viral 1 + 4 = 5 Puzzle. The Correct Answer Explained HD

This problem was shared on Facebook with the claim that only one in a thousand could figure it out. Here is the problem. If 1 + 4 = 5, 2 + 5 = 12, 3 + 6 = 21, what is 8 + 11 = ? This video...