Monthly Archives: April 2017

Puzzle #178: Minarets of Samarra

This is a wonderful puzzle contributed by Alok Mittal, through his Maths Circles class. There is one great minaret in Samarra, but what if the Caliph decided to build twelve? Since the Caliph loves regular geometry, he decides to build … Continue reading

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Solution to Puzzle #176: Outsmart Your Teacher

This was a fun and relatively simpler puzzler, and I was bombarded with correct answers. People with correct answers included Mahi Saraf, Deepak Jayaraman, Rishikant Kumar, Abhinav Jain, Pratik Poddar and Shivanshu. I am taking the liberty of copying the … Continue reading

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Puzzle #177: How Many Times You Can Measure

This is a variation of Puzzle #14 (https://alokgoyal1971.com/2013/04/28/puzzle-14-measuring-time/) that I found on the site fivethirtyeight.com. A fantastic puzzle! Suppose you have four ropes and a lighter. Each rope burns at a non-constant rate but takes exactly one hour to burn … Continue reading

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Solution to Puzzle #175: The Three Bag Puzzle

This was a simple but cute puzzle, and thanks again to Suman Saraf for suggesting this one. I received correct answers from Deepak Jayaraman (a first time participant), Pratik Poddar and Vishal Poddar. Well done all! Here is the answer … Continue reading

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Puzzle #176: Outsmart Your Teacher

This is a relatively simple puzzle from fivethirtyeight.com, a site from which I have posted many puzzles in the past. Variations of such puzzles have been posted in the past. I would encourage parents to try this with their children. … Continue reading

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Solution to Puzzle #174: Happy Birthday!

This puzzle was not an easy one, and one of the ways to make it easier was to solve it for a smaller number of candles and then try to solve for larger number of candles. There is a whole … Continue reading

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Solution to Puzzle #173: Dividing a Circle into 7 Parts

This was a beautiful puzzle and amongst my favourite geometry puzzles. Unfortunately I did not get a perfect answer from anyone, even though I did receive an answer from Abhinav Jain and Pratik Poddar. I am taking the liberty of … Continue reading

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