Tag Archives: puzzles

Solution to Puzzle #23: Yet Another Magic Square

….and the winner once again is….Ruchir Godura – He happened to be the only one this time to give a correct answer! Thanks to everyone who tried the puzzle. Here is a link to the video to explain the answer … Continue reading

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Puzzle #22: Cutting the Cube

This is a puzzle picked up from one of Martin Gardner collections. Might be just a touch difficult for kids, but worth trying. A carpenter, working with a buzz saw, wishes to cut a wooden cube, three inches on a … Continue reading

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Solution to Puzzle #20: The Monty Hall Problem

This is a very tantalizing puzzle. At the outset it is very difficult to see why the odds should be different than 50-50. Thanks to everyone who responded, and there were many who did. The answer goes as follows: Contestants … Continue reading

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Solution to Puzzle #19: Find the Average Salary

This puzzle generated more responses than any of the other puzzles I have sent to date – thanks for the overwhelming response. What was more heartening was the creativity of the different solutions I received. In the solution, therefore, I … Continue reading

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Solution to Puzzle #18: Who Will Win The Game

I got two correct answers for the puzzle – no surprise that Tishyaa was one of them, and I also got an answer from Alok Kuchlous immediately after I posted the puzzle – thanks! The answer was relatively simple – … Continue reading

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Puzzle #18: Who will win the game?

Here is a two player game – there are three piles of stones: one with 10 stones, one with 15 stones, and one with 20 stones. At each turn, a player can choose one of the piles and divide it … Continue reading

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Solution to Puzzle #17: Perfect Square with 0’s, 1’s and 2’s

Surprisingly I did not get any correct answers to the puzzle. The solution to the puzzle lies in divisibility rules – any number with 100 0’s, 1’s and 2’s will be divisible by 3 since the digits add up to … Continue reading

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