## Logic puzzle, When is Cheryl's birthday

The logic puzzle known popularly as Cheryl's birthday once took the puzzle fans in the internet by storm. It is intriguing but can be solved with a bit of effort...

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Submitted by Atanu Chaudhuri on Mon, 22/07/2019 - 19:11

The logic puzzle known popularly as Cheryl's birthday once took the puzzle fans in the internet by storm. It is intriguing but can be solved with a bit of effort...

Submitted by Atanu Chaudhuri on Fri, 19/07/2019 - 16:50

This is the fifth matchstick puzzle with solution. You have to move 3 sticks and form 3 perfect squares. The puzzle is not difficult and so recommended time for solving is 10 minutes...

Submitted by Atanu Chaudhuri on Thu, 18/07/2019 - 21:00

This is the fourth matchstick puzzle with solution. A fish, formed by 8 matchsticks, is heading towards the right. Rotate it so that it swims now heading towards left, by moving just 3 sticks...

Submitted by Atanu Chaudhuri on Sat, 05/01/2019 - 01:45

This is the third matchstick puzzle with solution. You need to transform a 5 square configuration of matchsticks to 4 square configuration by moving three matchsticks. The puzzle and its solution approaches should impart rich new learning...

Submitted by Atanu Chaudhuri on Thu, 27/12/2018 - 23:43

An older version of the monkey and the coconuts puzzle was modified by short story writer Ben Williams and published nearly a century ago. From then on the intriguing puzzle attained the status of one of the most attempted and least solved math puzzles of all time. We will present here easily understandable solutions to both using mathematical reasoning and for the modified version using in addition systematic enumeration…

Submitted by Atanu Chaudhuri on Sun, 09/12/2018 - 19:50

We will first present the classic folk puzzle of counting eggs for you to solve. Proceeding further, two ways to the solution will be presented and then the binding characteristics for this type of puzzles will be brought out in the form of framework for creation and systematic solution of similar types of puzzles...

Submitted by Atanu Chaudhuri on Wed, 05/12/2018 - 17:47

This is the second matchstick puzzle with solution. You need to transform a 5 square configuration of matchsticks to 4 square configuration by moving only two matchsticks. This puzzle and its three solution approaches impart rich new learning...

Submitted by Atanu Chaudhuri on Wed, 28/11/2018 - 17:59

In this first part of NCERT solutions for class 10 maths on Real Numbers, we will introduce briefly the basic concepts on real numbers, the long division method formalized by Euclid in his division lemma and will treat in some details the solutions of a rich classic puzzle highlighting the application of division lemma as well as the power of mathematical reasoning based on the concept rather than formula...

Submitted by Atanu Chaudhuri on Wed, 17/10/2018 - 03:21

Five nationals live in five differently colored houses, keep five different pets, drink five different fluids and smoke five different brands of cigarette. From 15 given statements, you have to answer—who owns the fish? Known popularly as Einstein's puzzle it was solved here more than one and half years back. This is an improved method based solution that can be understood and strategies learned by anyone...

Submitted by Atanu Chaudhuri on Thu, 27/09/2018 - 22:08

Matchstick puzzles are popular as sticks are easily available and matchstick figures can be physically changed in any way with ease. The solution to the first matchstick puzzle involves clarity in analytical reasoning on shapes, pattern identification and ability to form effective methods...