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Monthly Archives: November 2014
Puzzle #84: Reason Without Equations
Two very cute number problems I found which can be solved without any equations. If adults are trying it, they should keep a time limit of 2 minutes, though children are free to take as much time as they need. … Continue reading
Solution to Puzzle #83: Belleview and Hillview Distance
The puzzle was relatively simple and many of you sent the correct answers. The first one to send the correct answer was Girish Tutakne, and the first child to send the correct answer was Anshi from Gurgaon. Well done Anshi! … Continue reading
Puzzle #83: Belleview and Hillview Distance
This is a beautiful puzzle for children from the book Mathematical Circle Diaries, Year 1 (Session 22, last puzzle). Two mountain villages, Belleview and Hillview, are connected by a road. Not a single stretch of this road is flat: the … Continue reading
Solution to Puzzle #82: Guess the Number
I got many correct answers for this puzzle. The first one to send the correct answer was Sandeep Verma from California. I also got correct answers from my niece Radhika, and from Girish Tutakne and Anubhav Garg. I am reproducing … Continue reading
Puzzle #82: Guess The Number
Thanks to Nandini Dube for contributing this puzzle. She is a class V student in New Jersey, and this is a homework puzzle from her class. Please do not be swayed by “Class V” tag, this is a puzzle worth … Continue reading
Solution to Puzzle #81: The “Sholay” Puzzle
Surprisingly I did not get any solution to this puzzle, though the access to the blog was the highest that it has ever been. Assuming that many of you tried but thought it to be too easy! Here are the … Continue reading
Puzzle #81: The “Sholay” Puzzle
A very interesting probability/ strategy puzzle for children, coming straight out of the movie Sholay, one of the most popular Bollywood movies of all time. All the Indians reading this blog I am sure will vividly remember the scene where … Continue reading
Solution to Puzzle #80: The Bored Guards
While the puzzle did not require any special mathematical knowledge, it was a relatively difficult puzzle and I did not get as many correct answers. The only correct asnwer was from Girish Tutakne. Here is a simple explanation – Number the … Continue reading
Puzzle #80: The Bored Guards
This is a beautiful puzzle from the book “Mathematical Circle Diaries, Year 1” by Anna Burago (Chapter 9, last puzzle). For parents of middle school children, this is a highly recommended book. At midnight, six guards assume their positions at … Continue reading
Solution to Puzzle #79: Diwali Special
This was a very nice puzzle and I got many responses, though only one of which was completely correct – from Girish Tutakne. What was commendable was that he sent his answer literally within a few minutes of my posting … Continue reading
Alok Goyal's Puzzles Page 