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Author Archives: Alok Goyal
Solution to Puzzle #95: How Many Ways to Play the Tabla
Thanks for a record breaking viewership this week…this is the maximum traffic I have had on the site ever since I started the puzzle! Many people sent the correct answer (which is 34 ways to do it). Some people gave … Continue reading
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Tagged Alok Goyal, combinatorial puzzles, Fibonacci Series Puzzle
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Puzzle #95: How Many Ways to Play the Tabla
Heard this awesome puzzle yesterday while watching a video of Manjul Bhargava with my children (thanks to my wife Pooja to introduce me to this one). For those who do not know, Manjul Bhargava is a Princeton Professor who got … Continue reading
Solution to Puzzle #94: Two Eggs and a Building
Again an overwhelming response to the puzzle, that I thought was a difficult one. But some of the die hards sent an answer immediately. Only two people gave a fully correct answer – Suman Saraf, whose 10 year old also could … Continue reading
Puzzle #94: Two Eggs and a Building
This is another beauty of a puzzle from Gurmeet’s puzzle collection at gurmeet.net/puzzles/, thanks Gurmeet! With two eggs and a building with 100 floors, what is the optimal strategy for finding the lowest floor at which an egg will break when … Continue reading
Solution to Puzzle #93: Slice a Pizza Within a Cricket Team
I got a lot of correct responses for this puzzle. My real intent was to see how children/ other people can apply a concept learnt earlier to new problems. Many people sent me correct answers that include Anupam Jain, Abhinav … Continue reading
Puzzle #93: Slice a Pizza Within a Cricket Team
Here is a world cup cricket puzzle, the text modified from an original one from http://www.mindcipher.com In Australia, the Indian cricket team was not able to get anything to eat, and were finally able to get one large circular vegetarian … Continue reading
Solution to Puzzle #92: Connecting the Four Corners of the Square
Very good response to the puzzle, and lot of people sent me answers. The most common answer was that we should connect the two diagonals, which 2*sqrt(2) = 2.82 km. However, as it so happens, there is an answer which … Continue reading
Puzzle #92: Connecting the Four Corners of a Square
This is a beautiful geometry puzzle that my friend, Alok Mittal, gave to children in his Mathematical Circles class yesterday. There are four towns at the corners of a perfect square with a side of 1 km. Your task is … Continue reading
Solution to Puzzle #91: Pebble Piles
I again got a very high response this week – thanks again! There was only one correct answer from Gyora – well done! I am taking the liberty of reproducing the answer from Gurmeet, whose site is the source of … Continue reading
Puzzle #91: Pebble Piles
Another very nice puzzle I read on gurmeet.net/puzzles/, which as I have mentioned before, has a set of very nice mathematical puzzles. You are given three piles with 5, 49 and 51 pebbles respectively. Two operations are allowed: (a) merge two … Continue reading
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