Category Archives: Solution

Solution to Puzzle #170: Rectangle and the Oil Well

Posted on February 26, 2017 by Alok Goyal

I got many correct answers, thanks to all who responded. This was a “simple” application of pythogoras theorem. I got correct answers from Abhinav Jain, Pratik Poddar, Karan, Praneeth Ruthala, Suman Saraf and Mahi Saraf. While everyone sent me only … Continue reading →

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Solution to Puzzle #169: Division of a Cake

Posted on February 19, 2017 by Alok Goyal

This puzzle was not as easy as it looked…many people sent solution, but only Suman Saraf and his daughter Mahi sent the correct ones. To copy a line I really liked from Suman’s solution – The essence of fair or envy … Continue reading →

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Solution to Puzzle #167: 4 Rats in a Star

Posted on February 5, 2017 by Alok Goyal

This was a relatively simple puzzle, and I received correct answers from Mahi Saraf, Pratik Poddar, “Mashex” and Prakhar. Well done all! The answer is 2178 (RATS) Here is the explanation: Since the product is four digits long, RATS can … Continue reading →

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Solution to Puzzle #166: Donut Sharing

Posted on January 29, 2017 by Alok Goyal

This was a very simple puzzle, perhaps a bit too simple and I therefore received only two correct responses – Pratik Poddar and Mahi Saraf – well done both! I am taking the liberty of reproducing the answer from Mahi: … Continue reading →

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Solution to Puzzle #165: Truth & Lies – 7 of them!

Posted on January 22, 2017 by Alok Goyal

This was a very interesting puzzle, and I got many correct solutions, and I was delighted to see many children come back with solutions this time. I got correct solutions from Mahi Saraf and a joint team of Abhiram, Anisha … Continue reading →

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Solution to Puzzle #162: Who Finished 2nd in 100m?

Posted on January 22, 2017 by Alok Goyal

Suman Saraf rightly reminded me that I had not posted the solution for this puzzle. My apologies. Many people did this correctly. Mahi Saraf, Anisha Sharma Goyal, Pratik Poddar, Abhinav Jain and Vishal Poddar all sent correct answers – well … Continue reading →

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Solution to Puzzle #163: The “Hatke” Puzzle

Posted on January 15, 2017 by Alok Goyal

This was a truly “hatke”or a “wierd” puzzle. Unfortunately as it turned out the answer is not very elegant and not very “correct” either. That said, it was a good exercise to exercise the brain, and I got the best … Continue reading →

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Solution to Puzzle #164: The Physics Puzzle

Posted on January 8, 2017 by Alok Goyal

I am posting the solution for Puzzle #164 before I do so for puzzle #163, which I will do next week. It was not too difficult a puzzle, and even if you did not try it with your children, please … Continue reading →

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Solution to Puzzle #161: Lost Car Key Puzzle

Posted on December 11, 2016 by Alok Goyal

Apologies for not posting the answer last weekend, I was traveling again 🙂 I guess conditional probability puzzles are not the most popular, I got correct answers only from Suman Saraf and Pratik Poddar, even though I thought that the … Continue reading →

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Solution to Puzzle #160: $50 for All

Posted on November 27, 2016 by Alok Goyal

This was a tough puzzle, and only two people sent correct answers – Suman Saraf (and his daughter) and Pratik Poddar – hats off to both of you! I am copying the answer from the original source: The 2-person case … Continue reading →

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