The best riddles. Anywhere.

Good Riddles

These are very good riddles to increase your brain power and keep you in peak mental shape. Do your best to figure them out without looking at the solutions.

A man goes into an ocean-side restaurant and orders the albatross dish. He takes a single bite when the food arrives, puts down his fork, pulls out a gun, and shoots himself. Why does he do this?
A farmer is travelling with a fox, a sheep and a small sack of hay. He comes to a river with a small boat in it. The boat can only support the farmer and one other animal/item. If the farmer leaves ...
You and a friend are standing in front of two houses. In each house lives a family with two children. "The family on the left has a boy who loves history, but their other child prefers math," your ...
Three people check into a hotel room. The bill is $30 so they each pay $10. After they go to the room, the hotel's cashier realizes that the bill should have only been $25. So he gives $5 to the ...
Two trains are traveling toward each other on the same track, each at 60 miles per hour. When they are exactly 120 miles apart, a fly takes off from the front of one of the trains, flying toward the ...
A man goes to a movie at the local theater. In the middle of the movie, the man smiles in delight. A few minutes later, he leaves the theater, walks to the nearby bridge and hurls himself over the ...
There is a prison with 100 prisoners, each in separate cells, which are sealed off, soundproof and windowless. There is a lobby in the prison with a lightbulb in it. Each day, the warden will pick ...
You are the janitor at a prison with 100 prisoners locked in separate, soundproof and windowless cells. You watch one day as the warden brings the prisoners out to a central room where there are 100 ...
Two robots are placed at different points on a straight line of infinite length. When they are first placed down, they each spray out some oil to mark their starting points. You must program each ...
100 married couples live on a remote island. There is a law on the island that states that if a man finds out that his wife is unfaithful, he must kill her that night and leave her body at the center ...
There is an island with 100 women. 50 of the women have red dots on their foreheads, and the other 50 women have blue dots on their foreheads. If a woman ever learns the color of the dot on her ...
Two words are anagrams if and only if they contain the exact same letters with the exact same frequency (for example, "name" and "mean" are anagrams, but "red" and "deer" are not). Given two strings ...
You stand before a 100-story building with two eggs. Using only these two eggs, you must figure out the highest floor from which you can drop an egg such that the egg won't break when it hits the ...
What is the least number of people that need to be in a room such that there is greater than a 50% chance that at least two of the people have the same birthday?
Three kids, Writey, Fruity, and Spicy, are standing around. Their friend, Bob, proposes a challenge. The three kids will close their eyes, and Bob will go around and put one of two hats on each of ...
The Knight's Tour is a famous chess problem, in which a knight starts on the top-left square of an ordinary chessboard and then makes 63 moves, landing on every square of the chessboard exactly once ...
You are standing in a house in the middle of the countryside. There is a small hole in one of the interior walls of the house, through which 100 identical wires are protruding. From this hole, the ...
Your enemy challenges you to play Russian Roulette with a 6-cylinder pistol (meaning it has room for 6 bullets). He puts 2 bullets into the gun in consecutive slots, and leaves the next four slots ...
Your friend shows you two jars, one with 100 red marbles in it, the other with 100 blue marbles in it. He proposes a game. He'll put the two jars behind his back and tell you to pick one of them at ...
What English word can be used any number of times in a row (without changing the spelling at all) and still form a valid, grammatical sentence?
Einstein said that only 2% of the world could solve this problem. There are 5 houses in 5 different colors. In each house lives a person with a different nationality. The 5 owners drink a certain ...
You overhear a man talking to a clerk in a hardware store. The clerk says "One will cost you 12 cents, ten will cost your 24 cents, and one hundred will cost you 36 cents." What is the man buying?
There are 3 switches outside of a room, all in the 'off' setting. One of them controls a lightbulb inside the room, the other two do nothing. You cannot see into the room, and once you open the door ...
There are 1 million closed school lockers in a row, labeled 1 through 1,000,000. You first go through and flip every locker open. Then you go through and flip every other locker (locker 2, 4, 6, ...
Four people come to an old bridge in the middle of the night. The bridge is rickety and can only support 2 people at a time. The people have one flashlight, which needs to be held by any group ...