A logic puzzle has baffled the internet, but its solution is apparently so simple that a child can solve it in seconds.
The now-viral puzzle comes from a Hong Kong elementary school admission test for six-year-olds, who are required to solve it within 20 seconds.
Question: Did you solve it and if so, how long did it take you?
The now-viral puzzle comes from a Hong Kong elementary school admission test for six-year-olds, who are required to solve it within 20 seconds.

Question: Did you solve it and if so, how long did it take you?