Tag Archives: logic puzzles

Solution to Puzzle #83: Belleview and Hillview Distance

Posted on November 29, 2014 by Alok Goyal

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 →

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Puzzle #83: Belleview and Hillview Distance

Posted on November 23, 2014 by Alok Goyal

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 →

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Solution to Puzzle #80: The Bored Guards

Posted on November 9, 2014 by Alok Goyal

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 →

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Puzzle #80: The Bored Guards

Posted on November 3, 2014 by Alok Goyal

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 →

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Solution to Puzzle #77: Make the Stacks Equal

Posted on October 18, 2014 by Alok Goyal

Apologies for not posting the solution last weekend, I was traveling outside the country. I received an overwhelming number of correct solutions for this puzzle. First one to come back was Alok Kucklous. Others were Aman Singla, Girish Tutakne, Ashutosh … Continue reading →

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Puzzle #77: Make the Stacks Equal

Posted on October 4, 2014 by Alok Goyal

Another beautiful puzzle from the same book as last time…”Mathematical Circle Diaries, Year 1″, by Anna Burago. This one is the last puzzle from Session 10. Six stacks of coins are places on the table. The first has 1 coin, … Continue reading →

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Solution to Puzzle #72: Who Lies?

Posted on August 30, 2014 by Alok Goyal

This was a relatively simple puzzle and lots of people answered correctly. First one to answer correctly was Anisha, my elder one (aged 10), though she had the benefit of getting the question at the time I was posting it. … Continue reading →

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Puzzle #72: Who Lies?

Posted on August 23, 2014 by Alok Goyal

This is a simple puzzle, hopefully the younger ones will like it too. I got inspired by this puzzle through Alok Mittal’s last Mathematical Circles class on “truth tellers and liars”. This puzzle is taken from Martin Gardner’s “The Colossal … Continue reading →

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Solution to Puzzle #71: May The Fastest Horses Win

Posted on August 23, 2014 by Alok Goyal

Apologies for not posting the solution last week, I was traveling on vacation on the weekend. This was a relatively difficult puzzle, but I was encouraged to see the number of people who responded, most of them with correct answers. … Continue reading →

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Puzzle #71: May the Fastest Horses Win

Posted on August 9, 2014 by Alok Goyal

A beautiful puzzle, initially given to me by a close friend – Naresh Kumra, while trekking to the Everest Base Camp two years back. Came across this again last week in MindCipher. The London racetrack needs to submit its top … Continue reading →

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