Tag Archives: Divisibility

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

Posted on May 26, 2013 by Alok Goyal

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

Posted on May 18, 2013 by Alok Goyal

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 →

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