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.
You'll enjoy solving its 50 hand-picked puzzles, but you'll also learn how to solve hard problems easily without random attempts by innovative methods.
This is a rather long list of challenging brain teasers with solutions. The brain teasers are hand-picked and solutions focus on systematic problem solving.
Can you solve 3 digit number lock puzzle 158 in two steps of logic analysis? Given: 5 clues with hint codes and position-correctness information.
Break open the number lock code from five hint clues. Each clue in the number lock puzzle includes a 3 digit code and digit and position information.
Solve 3 digit number lock puzzle 403 in minimum steps from 5 clues, each containing a 3 digit code with digit and position correctness description.
Solve 3 digit number lock puzzle 295 in two steps from 5 clues. Each clue contains a 3 digit hint code with code digit and position correctness description.
Solve the 3 digit number lock puzzle 370 in two steps from 5 clues, each showing a 3 digit hint code with a statement on digit and positional correctness.
Crack number lock puzzle 578 in in one step from 5 clues each with a 3 digit code and statement on digit and position correctness on the hint code.
Crack the number lock puzzle 068 in two steps from 5 clues each with a 3 digit code and statement on digit and position correctness on the hint code.
Can you crack number lock puzzle 692 in two steps? The puzzle gives 5 clues with a hint code and digit and position correctness of the hint code.
