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.
An erroneous subtraction shows 789 - 456 = 123. It can be corrected by 3 pairs of digit interchanges (7, 3), (3, 4), and (9, 6). Can you correct it in 2?
A hare jumps over a 35 square grid starting from 1 never visiting a square twice. It jumps only vertically or horizontally. Place 5 jump counts...Read on...
A hare jumps over a 20-square grid. It continues jumping to an adjacent square up or down, never revisiting a square. Its 5th, 10th, 15th jumps...Read on...
This staircase riddle challenges your problem-solving skills by combining logical thinking with the concept of two-way movement on a staircase.
Place six numbers 1, 2, 3, 4, 5, 6 in six circles as in the figure. Only condition is: no two consecutive numbers can be placed in two connected circles.
Given 5 clues, each with a 3 digit code and hints on correct digits and placements. Real challenge: Open the 3 digit number lock 342 using first four clues.
Three cards, a king, a queen and a nine are face down on a table. One a spade, one a club and one a diamond, not necessarily in the same order...Read on...
Three men with different skin colors wearing color matched shoes swapped their shoes, each now wearing shoes of the other two. How to know what each wore?
Ajay explained, "I have put a hundred nuts in these five bags. In the first and second bags there are a total 43 nuts, in second and third bags...Read on...
When the big hand of a clock stood at 12, an ant started walking anti-clockwise from mark 6 along the path of the clock hand. After meeting...Read on...
