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Tag Archives: logic puzzles
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 #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
Puzzle #132: Boys, Girls and Pennies
This is a very nice puzzle borrowed from Alok Mittal’s Mathematical Circles class. Five boys and five girls found five pennies. It was decided to arrange the group in circle, and count out individuals at fixed intervals, giving them a … Continue reading
Solution to Puzzle #129: The Einstein’s Puzzle
I got many answers for this puzzle, I think the title attracted quite a few people. First person to send the correct answer was Radhika Goyal, just ahead of her dad (Deepak Goyal), who was 10 minutes behind her. Others … Continue reading
Puzzle #130: The Plato Riddle
I am on a roll here with the old-time biggies, after Einstein we have Plato now! This is a beautiful puzzle and riddle contributed by Sirisha Gadepalli, an IIT Campus friend – thank you Sirisha! Here it goes: Aristotle was … Continue reading
Solution to Puzzle #128: The Milkman Again
Apologies for not posting last weekend, I was traveling, and am likely to be traveling quite a bit in the next month, so there will be some irregularity in posting. This was a relatively simple one, lots of people sent … Continue reading
Puzzle #129: The Einstein’s Puzzle
I am sure the title will catch everyone’s attention. It is a very cute puzzle that Einstein invented as a child. The puzzle is also attributed to Lewis Carroll. There are many versions of this puzzle, the one here is … Continue reading
Solution to Puzzle #127: Building and Eggs Again
This was a difficult puzzle, and I did not get any complete answer from anyone. Ofcourse, Alok Aggarwal, who contributed the puzzle, had an answer. I will replicate the answer I gave to Alok. The answer is 8, i.e. within … Continue reading
Puzzle #128: The Milkman Again
Almost 3 years back, I had posted a milkman puzzle, which was the second puzzle I posted (https://alokgoyal1971.com/2013/02/10/solution-to-puzzle-2-milkman-puzzle/). Here again is a modified version of the same puzzle. A very interesting puzzle that Alok Mittal gave to his Mathematical Circles … Continue reading
Alok Goyal's Puzzles Page 