Author Archives: Alok Goyal

Solution to Puzzle #85: Colliding Ants

Posted on December 13, 2014 by Alok Goyal

This was a difficult puzzle overall, and only two people sent correct answers – Aman Singla and Girish Tutakne. I think in the end this was a bit difficult for children! I am reproducing the answer from Aman, Girish had … Continue reading →

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Puzzle #85: Colliding Ants

Posted on December 7, 2014 by Alok Goyal

Very nice puzzle from gurmeet.net/puzzles, which has a great set of puzzles on the site. I am taking a puzzle from this site after a long time. This puzzle should be interesting for children as well as adults. Peter and … Continue reading →

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Solution to Puzzle #84: Reason Without Equations

Posted on December 7, 2014 by Alok Goyal

Many people sent correct answers, which I had expected. However, very few sent the explanation behind the answers, which is what I was looking for. Some of you used equations to solve the question. Intent was to solve the questions … Continue reading →

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Puzzle #84: Reason Without Equations

Posted on November 29, 2014 by Alok Goyal

Two very cute number problems I found which can be solved without any equations. If adults are trying it, they should keep a time limit of 2 minutes, though children are free to take as much time as they need. … Continue reading →

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Solution to Puzzle #83: Belleview and Hillview Distance

Posted on November 29, 2014 by Alok Goyal

The puzzle was relatively simple and many of you sent the correct answers. The first one to send the correct answer was Girish Tutakne, and the first child to send the correct answer was Anshi from Gurgaon. Well done Anshi! … Continue reading →

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Puzzle #83: Belleview and Hillview Distance

Posted on November 23, 2014 by Alok Goyal

This is a beautiful puzzle for children from the book Mathematical Circle Diaries, Year 1 (Session 22, last puzzle). Two mountain villages, Belleview and Hillview, are connected by a road. Not a single stretch of this road is flat: the … Continue reading →

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Solution to Puzzle #82: Guess the Number

Posted on November 23, 2014 by Alok Goyal

I got many correct answers for this puzzle. The first one to send the correct answer was Sandeep Verma from California. I also got correct answers from my niece Radhika, and from Girish Tutakne and Anubhav Garg. I am reproducing … Continue reading →

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Puzzle #82: Guess The Number

Posted on November 15, 2014 by Alok Goyal

Thanks to Nandini Dube for contributing this puzzle. She is a class V student in New Jersey, and this is a homework puzzle from her class. Please do not be swayed by “Class V” tag, this is a puzzle worth … Continue reading →

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Solution to Puzzle #81: The “Sholay” Puzzle

Posted on November 15, 2014 by Alok Goyal

Surprisingly I did not get any solution to this puzzle, though the access to the blog was the highest that it has ever been. Assuming that many of you tried but thought it to be too easy! Here are the … Continue reading →

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Puzzle #81: The “Sholay” Puzzle

Posted on November 9, 2014 by Alok Goyal

A very interesting probability/ strategy puzzle for children, coming straight out of the movie Sholay, one of the most popular Bollywood movies of all time. All the Indians reading this blog I am sure will vividly remember the scene where … Continue reading →

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