Critical Thinking Puzzles

1. A couple has two children, what are the odds they are both girls? 2. Given that one of their two children is a girl, what are the odds ...

Andy, Barry, and Carl race each other in a 100-meter dash. They each run at a constant speed throughout the sprint. Andy beats Barry by 20 m...

A man was found murdered on Sunday morning. His wife immediately called the police. The police questioned the wife and staff and got their a...

A sheik announced that a race would decide which of his two sons would inherit all his wealth. The sons were to ride their camels to a certa...

Find a number such that when you rotate the number to the left, the new number is 1.5 times the original number. To rotate the number left, ...

A snail is at the bottom of a 20 meters deep pit. Every day the snail climbs 5 meters upwards, but at night it slides 4 meters. The Question...

People are waiting in line to board a 100-seat airplane. Steve is the first person in the line. He gets on the plane but suddenly can't ...