Privacy Policy + T&C

We use cookies to personalise our content and ads, and for traffic analysis. Information is also
shared with our advertising and analytics providers. By using the site you also agree to our T&C.


Common Answers

Have you entered July's Common Answers?

BB Logo Spacer

Puzzle - Hint

Bill and Ben takes turns flipping a coin. Whoever gets the head first is the winner.

If Bill has the first flip, what is the probability that he will win?

 [Ref: ZHIP]

Hint: What is the probability of getting a head on the first toss?

Back to the puzzles...



This website uses cookies, for more information please view our privacy policy. By using the site you also agree to our terms and conditions.