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Solution to Puzzle #168: Who Gets the Easter Eggs?
This was a very counterintuitive puzzle, and a relatively difficult one, though one does not need to know any specific mathematical construct for it. Only two people (father – daughter pair) got the correct answer – Mahi and Suman Saraf! … Continue reading
Puzzle #169: Division of a Cake
This is a very old puzzle. I remember this puzzle being asked by my Chemistry teacher in Class XI – Dr. Ravi Gopinath, someone was has had a strong influence in my passion for puzzles. I got reminded of this … Continue reading
Solution to Puzzle #167: 4 Rats in a Star
This was a relatively simple puzzle, and I received correct answers from Mahi Saraf, Pratik Poddar, “Mashex” and Prakhar. Well done all! The answer is 2178 (RATS) Here is the explanation: Since the product is four digits long, RATS can … Continue reading
Puzzle #129: The Einstein’s Puzzle
I am sure the title will catch everyone’s attention. It is a very cute puzzle that Einstein invented as a child. The puzzle is also attributed to Lewis Carroll. There are many versions of this puzzle, the one here is … Continue reading
Solution to Puzzle #127: Building and Eggs Again
This was a difficult puzzle, and I did not get any complete answer from anyone. Ofcourse, Alok Aggarwal, who contributed the puzzle, had an answer. I will replicate the answer I gave to Alok. The answer is 8, i.e. within … Continue reading
Puzzle #128: The Milkman Again
Almost 3 years back, I had posted a milkman puzzle, which was the second puzzle I posted (https://alokgoyal1971.com/2013/02/10/solution-to-puzzle-2-milkman-puzzle/). Here again is a modified version of the same puzzle. A very interesting puzzle that Alok Mittal gave to his Mathematical Circles … Continue reading
Solution to Puzzle #126: The Tricky Square Root
Again received an overwhelming number of answers to this puzzle. People who answered it correctly included Pratik Poddar, Anant Aggarwal, Siddharth Mulherkar, Suman Saraf, P R Kumar and Amit Mittal. The puzzle had a simple trick to it, which is … Continue reading
Puzzle #45: Prime Numbers
Beautiful puzzle I got today, attributed to my niece, Radhika. Got this puzzle from her Maths Olympiad book for Grade 7. Puzzle is solvable by all kids in grade 4 and above. Here is the question – Arrange numbers 1 … Continue reading
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Solution to Puzzle #44: Thinking Outside the Box
Response to this puzzle was the best we have had in the last 3 months – so thanks a ton…particularly want to thank all the friends from UK, Singapore and Greece who came in large numbers this time! The first … Continue reading
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Puzzle #33: Running in Circles
This is a very nice puzzle from a close friend – Maneesh Dube, based out of New Jersey. Maneesh and his daughter, Nandini, are running around a circular park. Maneesh is running faster than Nandini. How much faster is Maneesh … Continue reading
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