Tag Archives: Brain Teasers

Given some facts, determine which of the following is an underlying assumption of the above argument

How long will it take you to solve this equality?

Christopher's youth lasted 1/6 of his life. He had his first beard in the next 1/12 of his life. At the end of the following 1/7 of his life Christopher got married. Five years from then his son was born. His son lived exactly 1/2 of Christopher's life. Christopher died 4 years after the death of his son. How long did Christopher live?

What is the minimum number of weighings required to identify the coin, and why?

A challenging brain teaser requiring you to pay close attention to details.

What is the quickest way to time a 9 minute cooking session with two sand-glasses of 4 and 7 minutes respectively?

This riddle must be done IN YOUR HEAD and NOT using paper and a pen.

A thought-provoking brain teaser. A gang of 17 thieves steals a bag of gold coins

A challenging brain teaser requiring you to utilize pi.

Weekly brain teaser. Do you remember Algebra?