Recent Comments
Senthil Kumar VS on Solution to Puzzle #200: Achie… Alok Goyal on Puzzle #200: Achieve your… Vishal Poddar on Puzzle #200: Achieve your… Alok Goyal on Puzzle #200: Achieve your… Abdul on Puzzle #200: Achieve your…
Monthly Archives: November 2013
Puzzle #42: How Wide is the River
Seems like the puzzle collections from the Martin Gardner books is unlimited, and also of outstanding quality. While flipping through one of the books (Mathematical Puzzles and Diversions), I found another gem in Chapter 12. Some people have told me … Continue reading
Solution to puzzle #41: Yet Another Handshake Puzzle
I was surprised this time to see only one correct answer from Alok Kuchlous, one of the best puzzle solvers I have known since my IIT days. I also got a very good attempt from Shruti Mittal (from Mumbai), but … Continue reading
Puzzle #41: Yet Another Handshake Puzzle
This is yet another handshake puzzle, and again from one of the Martin Gardner collections. This one is from Second Book of Mathematical Diversions and Puzzles…Martin Garder, Page 55 Here is the puzzle: Prove that a t a recent convention of biophysicists … Continue reading
Solution to Puzzle #40: White-Tailed Cats
Two children sent me correct answers this time. Like last time, Shruti Mittal (from Mumbai) was the first one to send me a correct answer, and Danny Mittal (from Virginia, USA) also sent me a correct answer. Very well done! … Continue reading
Puzzle #40: White-Tailed Cats
This is another puzzle from the same book as I posted last time – “Professor Stewart’s Cabinet of Mathematical Curiosities”. This puzzle appears on Page #31 of the book. Here is the puzzle: ‘I see you have got a cat,’ … Continue reading
Solution to Puzzle #39: Triangle of Cards
I was very happy to see that many more people tried the puzzle this time compared to the last few weeks. The only correct answer I received though this time was from a new visitor – Shruti Mittal, 15 years … Continue reading
Puzzle #39: Triangle of Cards
I was gifted a new puzzle and math book by a friend today – Professor Stewart’s Cabinet of Mathematical Curiosities. This is a puzzle from this book, appearing on Page #6. Thanks Shalu for the book. I have 15 cards, … Continue reading
Solution to Puzzle #38: Famous Handshake Puzzle
I got only one correct answer for the puzzle, from Anku Jain – Well done and thanks! Anku’s answer was better explained than the source itself, and hence taking the liberty of reproducing his answer verbatim here. Assuming, no one … Continue reading
Puzzle #38: Famous Handshake Puzzle
This one is one of my favorites from the Martin Gardner collection: My wife and I recently attended a party at which there were four other married couples. Various handshakes took place. No one shook hands with himself or herself … Continue reading
Solution to Puzzle #37: Four 9’s and 100
I surprisingly got fewer answers than I expected. The most noteworthy response was from Ruchir Godura, who rattled a whole set of possibilities. I cannot prove that this is the exhaustive list, but here are the ones I have come … Continue reading
Alok Goyal's Puzzles Page 