How can something scratch ... listing puzzles and complex ideas as a couple of examples. That’s what Kritsas believes is the ...

The puzzle has caused many users to scratch their heads, as the logic behind the answers is far from obvious. (Also read: Brain teaser: 99% failed to figure out the right answer. Are you among the ...

prompting users to scratch their heads in search of the underlying pattern. Many have attempted to decode the logic behind the puzzle. A similar brain teaser that stunned the internet This is not ...