## 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 Fri, 05/07/2024 - 19:39

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...

Submitted by Atanu Chaudhuri on Fri, 05/07/2024 - 03:14

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...

Submitted by Atanu Chaudhuri on Thu, 04/07/2024 - 02:07

Find six numbers with difference between each pair of consecutive numbers constant. The condition in this puzzle is to use only 3 digits in the six numbers.

Submitted by Atanu Chaudhuri on Thu, 27/06/2024 - 08:15

Two cars started from same point at the same time, moving at constant speeds. If one car passed the other 1 km from start, where will be the second passing?

Submitted by Atanu Chaudhuri on Sun, 23/06/2024 - 06:23

If 999,919 mice were killed by a number of cats and each cat killed equal number of mice, then what can be the number of cats?

Submitted by Atanu Chaudhuri on Sat, 22/06/2024 - 04:15

What number added to 100 and 164 separately will make perfect squares each time? Support with math logic and deductive reasoning.

Submitted by Atanu Chaudhuri on Thu, 20/06/2024 - 21:19

If one-fifth of a hive of bees flew to the Lavender flowers, one-third flew to the Sunflowers, three times the difference of these two...Read on...

Submitted by Atanu Chaudhuri on Thu, 20/06/2024 - 02:51

Connect 7 dots with 6 straight lines so that each line connects 3 dots. Challenge is in placement of the dots. Think out-of-the-box.