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Category Archives: Solution
Solution to Puzzle #109: Fox in a Hole
From this week, I am moving to a one-week shifted model, where I will publish the solution for puzzles posted 2 week back instead of one week back, this will give everyone two weeks to look at the puzzle just … Continue reading
Solution to Puzzle #108: The Double Square Number Problem
Apologies that I could not post the answer last weekend as I was traveling. I was overwhelmed by the number of answers i received for this puzzle – most of them correct. However, many people used spreadsheets or a small … Continue reading
Solution To Puzzle #107: The Longest Path
I was surprised to see relatively fewer answers for this puzzle. I received two partially correct answer and one fully correct answer. Anisha, my 11 year old, correctly pointed out the maximum length, and so did Mayank Aggarwal from California. … Continue reading
Solution to Puzzle #106: Cards and Two Magicians
A delightful puzzle – thanks again to Pallav Pandey! Also for a change, I had a chance to work on a puzzle myself as someone else contributed. I loved solving the puzzle along with my 11 year old daughter Anisha. … Continue reading
Solution to Puzzle #105: The 150 Year Old Puzzle
This was indeed a more difficult puzzle than it appeared and for a change I did not get any correct solution. One realises that after trying a few combinations for the first 2-3 days, one invariably gets stuck in a … Continue reading
Solution to Puzzle #104: Togglers Puzzle
Apologies for an inordinate delay in posting the answer to this puzzle. I was on vacation with children over the last 3 weekends 🙂 This was a very interesting, though a slightly difficult puzzle. I got 4 correct answers from … Continue reading
Solution to Puzzle #103: Proof Without Trigonometry
A wonderful puzzle, and the solution is a beautiful one. This was a difficult one, and therefore I did not get as many answers to the puzzle. Abhinav was the first one to send a correct answer – and a … Continue reading
Solution to Puzzle #102: The Persistence Problem
This was a difficult puzzle, though I continue to be amazed how so many people solve them with such speed…my hats off to all the ones who solved this one. That includes Saurabh Aggarwal, Abhinav Jain, Akshay Joshi, Suman Saraf … Continue reading
Solution to Puzzle #101: Shortest Path Touching the X-axis
Thanks to Arunima and Amol again for contributing a wonderful puzzle. This is a famous puzzle called the Heron’s Shortest Distance Problem and has historical roots. The puzzle can be solved through calculus, but can be solved without any calculus … Continue reading
Solution to Puzzle #100: The 100 Square Rug Puzzle
My apologies for vanishing after posting the prize puzzle – I was traveling for the last 3 weekends and hence did not have a chance to post the answer. Overwhelming response, and I am amazed by the abundance of brilliance … Continue reading
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