100+ Brain teasers with answers for kids and adults

Which creature walks on four legs in the morning, two in the afternoon, and three in the evening?

A family has two parents and six sons. Each of the sons has one sister. How many people are in the family? 

A man describes his daughters, saying, They are all blonde, but two; all brunette but two; and all redheaded but two. How many daughters does he have?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

An elevator is on the ground floor. There are four people in the elevator, including me. When the elevator reaches the first floor, one person gets out and three people get in. The elevator goes up to the second floor. Two people get out and six people get in. It then goes to the next floor up. No one gets out, but 12 people get in. Halfway up to the next floor, the cable snaps, and the elevator crashes to the floor. Everyone else dies in the lift. How did I survive? 

A red house is made from red bricks. A blue house is made from blue bricks. A yellow house is made from yellow bricks. What is a greenhouse made from? 

What is harder to catch the faster you run?

You're escaping a labyrinth and there are three exits. Exit A leads to an inferno. Exit B leads to an assassin. Exit C leads to a lion that hasn't eaten in 3 years. Which exit do you pick? 

What fastens two people yet touches only one?

What can be driven although it doesn't have wheels, sliced but stays whole?

The cost of making only the maker knows, Valueless if bought, but sometimes traded. A poor man may give one as easily as a king. When one is broken pain and deceit are assured. What is it?

What letter comes next in the following sequence. D R M F S L T_

Two boxers are in a match scheduled for 12 rounds. (Pure boxing only - no kicking, UFC takedowns, or anything else). One of the boxers gets knocked out after only six rounds, yet no man throws a punch. How is this possible?

You are on an island with two tribes. One tribe always tells the truth, and the other always lies. You come across two people from the island. One is from the truth-telling tribe, and the other from the lying tribe, but you don't know who is by who. You can ask only one question to either person to determine which path leads to safety. What do you ask?

What kind of running means walking?