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.
Measure exactly 8 liter of water using a 11 liter jug and a 6 liter jug. You may fill and empty the jugs many times using a large tank with enough water.
Think of any number between 1 and 100. Divide by 3, 5, 7 and tell me the remainder each time. I will give you back your number. How could I do it?
Spot the hidden pattern to crack the code in the missing number puzzle. Use your logical thinking, analytical skills and pattern identification skills.
Can you solve the 4 digit combination lock puzzle from 4 clues? Each clue provides hints on a 4 digit code and the placements of digits.
Can you crack the code and solve the number lock puzzle with minimum clues? Given: five clues with hints on possible code and correctness information.
Find the minimum step solution to the number lock puzzle from four clues, each with a 3 digit code and hints on correct digits and their placements.
Can you take up the challenge to crack the 3 digit number lock puzzle with 5 clues using minimum number of clues and in minimum steps?
Meet the challenge and crack the code to open the number lock. More challenge - solve the hard 5 digit number lock puzzle using least number of clues.
Can you crack the 3 digit number lock puzzle with 548 in five hint clues? Each has a 3 digit hint code and digit position and correctness description.
An officer and 269 soldiers in his army detachment are to cross a river. Two boys are rowing about in the river in a small boat. The boat is...read on...
