For each one, first the puzzle is posed for you to solve within a recommended time. A detailed systematic solution then follows.
Matchstick puzzles, riddles, math puzzles, logic puzzles, river crossing puzzles, ball weighing puzzles are some of the categories.
The full list of all brain teasers with solutions is available in the link,
Challenging brain teasers with solutions: Long list.
This will always be the most up-to-date list with the brain teasers classified into categories that can be browsed separately.
Four hunters bagged four animals each with a point score. Total 18 points scored and you are given clues to find number of animals bagged. Time 15 mins.
If I deal some cards among four, three cards remain. If I deal among three, two remain and if I deal among five, two cards remain. How many cards are there?
A devotee visits three temples each with 100 steps. He puts 1 rupee coin on each step going up, coming down and offers half he has to deity. Read on...
In a city of known number of residents find the minimum number of heads with same number of hairs when maximum number of hairs is also known. Read on...
The player who picks up the last lot of matchsticks in a depleted 36 match pile wins. Each of two player picks up 1, 3 or 5 matches alternately. Who wins?
Six wrong labeled jars are in a two-row rack. You know the actual contents. I ask you two questions. On your answer I pick up Pepper jar correctly.
Riddle of four coins touching: place four circular coins on a table touching each other such a way that if you place a 5th coin it'll touch all others.
Burning two ropes each of which takes exactly 1 hour to burn fully, you have to measure a time of exactly 45 minutes. Solve the riddle in 10 minutes.
Flipping coins to heads or tails logic puzzle: Make a second pile of coins from the first pile blindfolded with same heads-up coins in both. Read on...
By solving a puzzle similar to the Generous Gifts puzzle of Dudeney, we'll in effect solve three similar puzzles. This is possible by domain mapping method.
