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Author Archives: Alok Goyal
Puzzle #141: Wolfs and Sheep
This is a “addictive” problem – hard to get rid of until you solve it. Thanks to Pooja Goyal, my wife, who gave me this puzzle a few days back from a Math festival she was at. Place 5 wolves … Continue reading
Solution to Puzzle #139: Gold Links
Apologies for skipping last weekend, I was traveling on work! I got correct answers from three people – Pratik Poddar, Abhinav Jain and Suman Saraf. Well done! Most people thought binary, i.e. have links of size 1, 2, 4, 8, … Continue reading
Puzzle #140: Traffic Flow in Floyd’s Knob – Version 2
As I mentioned in the answer for Puzzle #138, I ended up posting the original version of the puzzle and not the one posted by Martin Gardner. I like the puzzle so much, that I am posting the variation from … Continue reading
Solution To Puzzle #138: Traffic in Floyd’s Knob
I loved this puzzle so much that I ended up putting the original picture for the puzzle, not realising that the one Martin Gardner had put in his book was a different one, and therefore some of the description of … Continue reading
Puzzle #139: Gold Links
This is another famous puzzle in the Martin Gardner collection, and variations of this puzzle exist in different “sizes”. This particular one has been picked up from The Colossal Book of Short Puzzles and Problems, Puzzle 9.18. Replicating the puzzle as … Continue reading
Solution to Puzzle #137: The Burning Island
As I mentioned, this was an untypical problem, and I did not get as many responses 😦 The ones who responded correctly included Girish Tutakne, Suman Saraf and Neeraj Aggarwal+Anisha Goyal as a team over the lunch table! Solution is … Continue reading
Puzzle #138: Traffic Flow in Floyd’s Knob
This is a very nice “maze” puzzle, borrowed from Martin Gardner’s book “The Colossal Book of Short Puzzles and Problems” Problem 10.14. The puzzle first appeared in 1962, in Martin Gardner’s Scientific American column. It was created by Robert Abbott, … Continue reading
Solution to Puzzle #136: Talkative Eve
This was not as difficult a puzzle as it appeared to be, though required some work! Was glad to see most of the regular puzzlers answer this, which included Karan, Abhinav Jain, Suman Saraf, Girish Tutakne and Ruchir Godura (welcome … Continue reading
Puzzle #137: Burning Island
For a change, this one is not a mathematical puzzle, but a nice logic puzzle (and there is no play of words here). I took this one from mathsisfun.com A man is stranded on an island covered in forest. One … Continue reading
Solution to Puzzle #135: Two Dice = Nine Cards
This was a beautiful puzzle and only a few people sent correct answers. Only Suman Saraf sent the correct answer – fantastic job, this was a tough one – hats off to you! Gurmeet.net, the place I took the solution from, … Continue reading
Alok Goyal's Puzzles Page 