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.
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...
Encrypted Arithmetic puzzle of addition: EAT and THAT are added to produce the result APPLE. Each letter is a different number. Find the letters values.
Math Olympiad Question: 2a + 2b + 2c = 148, a, b, c = ?. Can you solve in 2 minutes? Use basic math concepts and reasoning.
Crack the five clue number lock puzzle with code 241 in a clue. The clues are with a 3 digit code and correctness descriptions of digits and positions.
Seven clues are given, each with a 4 digit code and hints on correct digits and their placements. Find the correct code from the clues to open the lock.
Given five clues, each with a 5 digit code and hints on correct digits and their placements, can you find the correct code from the clues to open the lock?
In this number lock puzzle with clue code 682 and 5 clues, each clue describes position and correctness of 3 digits in its code. Can you crack the code?
