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Logic Puzzles

5 Pirates
5 pirates of different ages have a treasure of 100 gold coins. On their ship, they decide... Try Puzzle >>
5 Pirates Version 2
5 pirates of different ages have a treasure of 100 gold coins. On their ship, they decide... Try Puzzle >>
Apples and Friends
You have a basket containing ten apples. You have ten friends, who each desire an apple. You... Try Puzzle >>
Bags of Marbles
You have three bags, each containing two marbles. Bag A contains two white marbles, Bag B contains... Try Puzzle >>
Black and White Hats
Cannibals ambush a safari in the jungle and capture three men. The cannibals give the men a... Try Puzzle >>
Breaking Up a Chocolate Bar
How many steps are required to break an m x n bar of chocolate into 1 x 1 pieces? You can... Try Puzzle >>
Burning Island
A man is stranded on an island covered in forest. One day, when the wind is blowing from... Try Puzzle >>
Crates of Fruit
You are on an island and there are three crates of fruit that have washed up in front of you.... Try Puzzle >>
Cut Cube
A solid, four-inch cube of wood is coated with blue paint on all six sides. Then the cube... Try Puzzle >>
Deadly Choice
A man is caught on the King's property. He is brought before the King to be punished.... Try Puzzle >>
Explain: Dead in The Field
In the middle of an otherwise empty field there lies a man wearing a pack. He is dead.... Try Puzzle >>
Explain: Elevator
A Man works on the 10th floor and always takes the elevator down to ground level at the end... Try Puzzle >>
Explain: Glass of Water
A man walks into a bar and asks the bartender for a glass of water. But the bartender takes... Try Puzzle >>
Explain: Hospital
A Man carries his son into the hospital because his son has a nail in his foot. The Surgeon... Try Puzzle >>
Farmer Crosses River
A farmer wants to cross a river and take with him a wolf, a goat, and a cabbage. There is a... Try Puzzle >>
Four Adventurers and a Small Canoe
Four adventurers (Alex, Brook, Chris and Dusty) need to cross a river in a small canoe. The... Try Puzzle >>
Four People Travel
Four people are traveling to different places on different types of transport. Their names... Try Puzzle >>
Gears 1
There are five gears connected in a row, the first one is connected to the second one, the... Try Puzzle >>
Gears 2
There are five gears connected in a row, the first one is connected to the second one, the... Try Puzzle >>
Girl and Boy
A boy and a girl are talking. "I am a boy" - said the child with black hair. ... Try Puzzle >>
Knights and Knaves
There are three people (Alex, Brook and Cody), one of whom is a knight, one a knave, and one... Try Puzzle >>
Knights and Knaves 2
There are three people (Alex, Brook and Cody), one of whom is a knight, one a knave, and one... Try Puzzle >>
Lying about their age
Alex, Brook, Cody, Dusty, and Erin recently found out that all of their birthdays were on the... Try Puzzle >>
Marble Mix Up
Years ago, to puzzle his friends, a scientist gave one of four containers containing blue and/or... Try Puzzle >>
Matching Socks
You are about to leave for holiday, but you forgot socks! You race back to your room, but all... Try Puzzle >>
Missing Fish
Two fathers took their sons fishing. Each man and son caught one fish, but when they returned... Try Puzzle >>
Monty Hall
This is a famous puzzle based on the show "Let's make a deal". The host,... Try Puzzle >>
Relative Picture
A man on a park bench is looking at a small portrait. You ask him, "Who is that in the... Try Puzzle >>
Shirt Friends
At a restaurant downtown, Mr. Red, Mr. Blue, and Mr. White meet for lunch. Under their coats they... Try Puzzle >>
Ten Balls in Five Lines
Place 10 balls in 5 lines in such a way that each line has exactly 4 balls on it. Try Puzzle >>
The Collapsing Bridge
A bridge will collapse in 17 minutes. 4 people want to cross it before it will collapse.... Try Puzzle >>
Three Boxes with Two Balls Each
The first box has two white balls. The second box has two black balls. The third box has a... Try Puzzle >>
Three Choices with One Coin
At a restaurant, how could you choose one out of three desserts with equal probability with... Try Puzzle >>
Three Coaches, Three Athletes and a River
There are three Athletes (Alex, Brook and Chris) and their individual Coaches (Murphy, Newlyn... Try Puzzle >>
Three Hats
Three people enter a room and have a green or blue hat placed on their head. They cannot see... Try Puzzle >>
Triplets
Three sisters are identical triplets. The oldest by minutes is Sarah, and Sarah always tells... Try Puzzle >>
 
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