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

This problem was shared on Facebook with the claim that only one in a thousand could figure it out. It went viral and generated over 3 million comments. Here is the problem. If 1 + 4 5, 2 + 5 12, 3 + 6 21, what is 8 + 11 This video presents what many people believe to be the correct answer. Blog post (text explanation and an extra proof): Facebook post that went viral Telegraph coverage www. t