article_snippet.sent: But the question went viral after people across the world were left completely baffled.
article_snippet.sent: One man in London said: ‘I did not have a bleeding clue!
article_snippet.sent: Each of the men does not know what the other has been told.
article_snippet.sent: The problem was posted on Facebook by ‘Hello Singapore’ television presenter Kenneth Kong, and went viral as people posted people various solutions to The problem.