Tag Archives: puzzles

Solution to Puzzle #12: How many routes?

Posted on April 21, 2013 by Alok Goyal

I got only two correct answers for this puzzle – one of which is from Tishyaa Chaudhry, who is one of the most amazing puzzlers amongst kids I have come across. Well done Tishyaa. There are two good solutions to … Continue reading →

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Puzzle #11: The 10-digit number

Posted on April 6, 2013 by Alok Goyal

This is a very nice puzzle I picked up a few days back from one of the Martin Gardner books. I also tried it with my 8 year old, who solved it with some persuasion. In the 10 cells of the … Continue reading →

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Puzzle #10: Who is Taller?

Posted on March 31, 2013 by Alok Goyal

This is a relatively simple puzzle after a rather difficult one, I would encourage people to try this one with kids. In a rectangular array of people, who will be taller – the tallest of the shortest person in each … Continue reading →

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Puzzle #9: Sailors, Monkey and Coconuts

Posted on March 24, 2013 by Alok Goyal

Thanks to Vikas Vats for contributing this puzzle, and was originally given to us by our class teacher in Class XI, Ravi Gopinath. This is an interesting one, though could be tough for children below 12 years of age. Five … Continue reading →

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Puzzle #8: Maximizing the Odds

Posted on March 17, 2013 by Alok Goyal

Here is a cute problem given to me by a friend, who mentioned that this was part of the Martin Gardner collection. There are two identical urns, and there are 50 identical red balls and 50 identical white balls. All … Continue reading →

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Solution to Puzzle #7: Faulty Ball Continued

Posted on March 17, 2013 by Alok Goyal

I need to begin with an apology – I have not been able to create a video solution to this puzzle as I seem to have misplaced the writing instrument for my iPad. Hence a written solution to this one, … Continue reading →

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Puzzle #7: Faulty Balls Continued…

Posted on March 11, 2013 by Alok Goyal

Lets take a slightly different version of the faulty balls – You have multiple machines producing table tennis balls. Each ball is supposed to weigh 10 grams. One of the machines is faulty and is producing balls of either 9 … Continue reading →

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Puzzle #5: Crossing the bridge

Posted on February 23, 2013 by Alok Goyal

There are 4 people, lets call them Ramesh, Mahesh, Suresh and Jitesh. They are on a trek and it is already dark. They need to cross a bridge to reach a rest house on the other side. The bridge is … Continue reading →

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Solution to Puzzle #4: Summing to 15

Posted on February 23, 2013 by Alok Goyal

This was probably a more difficult problem that what I had anticipated this to be. I got much fewer responses for this compared the previous ones. This puzzle combined two different concepts – Magic Square using numbers 1-9 and the … Continue reading →

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Puzzle #4: Summing to 15

Posted on February 17, 2013 by Alok Goyal

This is a puzzle I discovered very recently, and really enjoyed it. Here it goes: There are 9 cards lying face up, with numbers 1-9 written on them. Ramesh and Mahesh start playing a game – they start picking up … Continue reading →

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