## The Puzzle Book with Innovative Solutions

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.

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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.

Submitted by Atanu Chaudhuri on Thu, 14/07/2022 - 00:48

Submitted by Atanu Chaudhuri on Fri, 10/12/2021 - 02:17

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.

Submitted by Atanu Chaudhuri on Wed, 12/06/2024 - 18:16

Spot the hidden key to crack the code in the missing number puzzle. Logic analysis, hidden pattern discovery and math reasoning are the key skills tested.

Submitted by Atanu Chaudhuri on Wed, 12/06/2024 - 10:03

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.

Submitted by Atanu Chaudhuri on Tue, 11/06/2024 - 09:32

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?

Submitted by Atanu Chaudhuri on Sun, 09/06/2024 - 22:02

Spot the hidden pattern to crack the code in the missing number puzzle. Use your logical thinking, analytical skills and pattern identification skills.

Submitted by Atanu Chaudhuri on Sat, 08/06/2024 - 23:59

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.

Submitted by Atanu Chaudhuri on Sat, 08/06/2024 - 01:29

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.

Submitted by Atanu Chaudhuri on Fri, 07/06/2024 - 00:30

Find the correct number lock code from the four clues, each with a 3 digit code and hints on correct digits and their placements. Apply logic analysis.

Submitted by Atanu Chaudhuri on Thu, 06/06/2024 - 21:47

Can you take up the challenge and crack the 3 digit number lock code to open the number lock with least number of clues? Good logic analysis is the key.