Tag Archives: Geometry puzzles

Solution to Puzzle #158: Trees in a Row

Posted on November 6, 2016 by Alok Goyal

This was a simple puzzle, though I did not get as many answers as I would have liked to. That said, I had only done one possible answer, but trust some of the puzzle gurus to send in some really … Continue reading →

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Solution to Puzzle #157: Journey of a Monk

Posted on October 29, 2016 by Alok Goyal

This was a very nice puzzle – not an easy one and as such I received answers from the classical die hards. People who sent the correct answers include Suman Saraf and his daughter (I think age 10!), Sid Mulherkar, … Continue reading →

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Puzzle #158: Trees in a Row

Posted on October 23, 2016 by Alok Goyal

A very nice riddle contributed by Abhinav Jain, which appeared in Delhi Times. Thanks Abhinav. A man bought 10 trees from a local nursery.He wants his gardener to plant the 10 trees in 5 rows with 4 trees in each … Continue reading →

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Solution to Puzzle #156: Area of the 8th Block

Posted on October 23, 2016 by Alok Goyal

Thanks Suman again for this lovely puzzle. The usual suspects came back with the right answer – Karan, Sid Mulherkar and Abhinav Jain (and I am not counting Suman or his daughter on this one). Was a simple puzzle, but … Continue reading →

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Solution to Puzzle #155: Bugs on a Square

Posted on October 16, 2016 by Alok Goyal

This was an old puzzle, and many of you had done it before. Many people sent the right answer, though many people sent wrong answers as well. Folks who did it correctly included Suman Saraf, Prakhar Prakash, Sid Mulherkar, Vishal … Continue reading →

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Puzzle #156: Area of the 8th Block

Posted on October 9, 2016 by Alok Goyal

This is a beautiful puzzle contributed by Suman Saraf – thanks Suman! A wooden block is divided into eight smaller blocks by the three cuts, as shown in the figure. The areas of the seven visible blocks are labeled. What … Continue reading →

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Puzzle #155: Bugs on a Square

Posted on September 25, 2016 by Alok Goyal

This is a very famous puzzle that many of you would have seen in the past as well. I saw it recently in one of the Martin Gardner books again, but am reproducing it here from a New York Times … Continue reading →

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Solution to Puzzle #150: The Tutu Coin Puzzle

Posted on September 4, 2016 by Alok Goyal

Thanks for the many messages I received for Tutu and his family, truly appreciate that! This was an already posted puzzle, so not many people responded. I got two more correct answers from Mohit Khare and Sunil Dhar – well … Continue reading →

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Puzzle #150: The Tutu Coin Puzzle :-(

Posted on August 14, 2016 by Alok Goyal

This week marks a very sad week for me and for many of the regular readers of this blog. A very dear friend – Girish Tutakne (popularly known as Tutu at IIT Delhi)- passed away in a very unfortunate accident in … Continue reading →

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Puzzle #138: Traffic Flow in Floyd’s Knob

Posted on April 16, 2016 by Alok Goyal

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 →

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