Click here to see if you’re right —and to get an insanely in-depth breakdown of how to solve this problem, plus the complete answers to almost 100 other challenging riddles.

The Monty Hall Problem is a famous probability problem named for the original host of “Let’s Make A Deal." The controversy began in 1990 when Marilyn vos Savant posed the question in her column.

In this puzzle, you need to make use of probability to reach the final solution. Will you be able to solve it? Maths may not be everyone’s cup of tea, however, if it is yours, we have just the ...