Critical Thinking Puzzles

A prisoner is faced with a decision where he must open one of two doors. Behind each door is either a lady or a tiger. They may be both tige...

On my way to the fair, I met 7 jugglers and a bear, every juggler had 6 cats,every cat had 5 rats, every rat had 4 houses, every house had 3...

A ten meter rope is looped through a pulley attached to the ceiling. Half the rope dangles on one side, the other half on the other. At one ...

FACTS OF THE PUZZLE [This quiz was made up by Albert Einstein and according to him 98% will not solve it.] There are five houses in five dif...

You have a 3-quart bucket, a 5-quart bucket, and an infinite "supply of water. How can you measure out exactly 4 quarts?

You have two jars and 100 marbles. Fifty of the marbles are red, and 50 are blue. One of the jars will be chosen at random, then 1 marble wi...

There are four dogs, each at a corner of a large square. Each of the dogs begins chasing the dog clockwise from it. All of the dogs run at t...