# Monthly Archives: May 2013

## 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

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

Since the previous puzzle was very tough, a relatively simpler problem. Can a number be written with one hundred 0’s, one hundred 1’s and one hundred 2’s be a perfect square. If yes, what is that number, if not, prove … Continue reading

## Solution to Puzzle #16: Crossing the Desert

This is probably one of the tougher puzzles, and the responses indicate the same. I got only one answer for the puzzle, and once again, from Tishyaa – Thank you Tishyaa! 1. For the simpler puzzle, One needs to to … Continue reading

## Puzzle #16: Crossing the Desert, a Classic Puzzle!

This is one of my favorites – I read this puzzle for the first time in 1992 on rec.puzzles (for those of you who remember these newsgroups!), and honestly have struggled with this ever since. I saw this puzzle again … Continue reading

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## Solution to Puzzle #15: The Early Commuter

I liked this puzzle because there is a seeming lack of data. When I came across this puzzle in February this year, I kept getting lost in too many variables! I got many correct answers and more comments than for … Continue reading