Author Archives: Alok Goyal

Solution to Puzzle #70: Equal Heads

Posted on August 9, 2014 by Alok Goyal

Was a difficult puzzle – I got three correct answers for this. Vivek Shah, Mihir and Aman Singla in that order sent the correct answers – very impressed! Here is the solution: Make 2 stacks – one of 10 and … Continue reading →

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Puzzle #70: Equal Heads (Outstanding Puzzle!)

Posted on August 2, 2014 by Alok Goyal

This one is one of the best puzzles I have come across in recent times…contributed by Vardhan Rajkumar based out of London. I do not know the original source of the puzzle. No special knowledge or skill required, so suitable … Continue reading →

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Solution to Puzzle #69: CAT a Century

Posted on August 2, 2014 by Alok Goyal

This was a relatively simple puzzle, many people sent me correct answers. Anirudh Baddepudi, Anavi Baddepudi and Praveen Baddepudi all got back with correct answers with slight variations. Anoop Agrawal, Vivek Shah, Rhea Mittal and Mihir also got back with … Continue reading →

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Puzzle #69: CAT a Century!

Posted on July 27, 2014 by Alok Goyal

This is a wonderful 2-minute teaser I picked up from Martin Gardner’s “The Colossal Book of Short Puzzles and Problems”. In the end of the book he has a chapter titled “Twelve More Brain Teasers”, which has 12 problems he … Continue reading →

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Solution to Puzzle #68: Number at the Intersection

Posted on July 27, 2014 by Alok Goyal

The response to this puzzle was overwhelming…got many correct answers. First one to respond with the right answer was Anavi Baddepudi from Singapore – well done. Many others got correct answers – Pratik Sarkar, Vivek Shah, Ramendra Mandal, Anubhav Garg, … Continue reading →

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Puzzle #68: Number At The Intersection

Posted on July 20, 2014 by Alok Goyal

This is a very nice, quick teaser I got from the site brilliant.org. Should be fun to do for the younger lot, no specific knowledge required for this one. Place integers from 1 to 9, once each, into the 9 … Continue reading →

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Solution to Puzzle #67: Lab Rat On The Run

Posted on July 20, 2014 by Alok Goyal

I got many answers to this puzzle, and mostly all correct. This was a relatively simple puzzle for those who know algebra and probability, I do not know any way to do this one without them, and hence the younger … Continue reading →

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Puzzle #67: Lab Rat on the Run

Posted on July 12, 2014 by Alok Goyal

Very nice probability puzzle…though involves basic knowledge of probability and algebra. Found this again on http://www.midcipher.com. Consider a lab rat in a maze. There are four paths that can be taken with equal probability. Path A leads to exit in … Continue reading →

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Solution to Puzzle #66: All The King’s Wine

Posted on July 12, 2014 by Alok Goyal

Got the most hits to the puzzle site this week for 2014…thanks! I got many correct answers, though the one I loved the most was from Anavi Baddepudi, a 10 year old from Singapore. From the answer, it seemed that she … Continue reading →

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Puzzle #66: All the King’s Wine

Posted on July 6, 2014 by Alok Goyal

A delightful puzzle, found this one on the site http://www.mindcipher.com. So there’s this king. Someone breaks into his wine cellar where he stores 1000 bottles of wine. This person proceeds to poison one of the 1000 bottles, but gets away … Continue reading →

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