
Recent Posts
Recent Comments
Prakhar on Puzzle #190: Escalator Ra… Pratik Poddar on Puzzle #189: Blue Eyed Si… Praneeth on Puzzle #189: Blue Eyed Si… Prakhar on Puzzle #187: Sum as 100 Prakhar on Puzzle #187: Sum as 100 Archives
 August 2017
 July 2017
 June 2017
 May 2017
 April 2017
 March 2017
 February 2017
 January 2017
 December 2016
 November 2016
 October 2016
 September 2016
 August 2016
 July 2016
 June 2016
 May 2016
 April 2016
 March 2016
 February 2016
 January 2016
 December 2015
 November 2015
 October 2015
 September 2015
 August 2015
 July 2015
 June 2015
 May 2015
 April 2015
 March 2015
 February 2015
 January 2015
 December 2014
 November 2014
 October 2014
 September 2014
 August 2014
 July 2014
 May 2014
 April 2014
 March 2014
 February 2014
 January 2014
 December 2013
 November 2013
 October 2013
 September 2013
 August 2013
 July 2013
 June 2013
 May 2013
 April 2013
 March 2013
 February 2013
 January 2013
Categories
Meta
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
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
Puzzle #177: How Many Times You Can Measure
This is a variation of Puzzle #14 (https://alokgoyal1971.com/2013/04/28/puzzle14measuringtime/) that I found on the site fivethirtyeight.com. A fantastic puzzle! Suppose you have four ropes and a lighter. Each rope burns at a nonconstant rate but takes exactly one hour to burn … Continue reading
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
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
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
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