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Brain teaser

Monkey and the coconuts puzzle with solutions

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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…

Counting eggs puzzles based on Euclid's division lemma

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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...

NCERT solutions for class 10 maths on Real numbers part 1, Euclid's division lemma puzzle solutions

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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...

How to solve Einstein's puzzle Whose fish confidently, an improved method based solution

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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...

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