Monday 21 February 2011

MATHS PUZZLE # 14 -from the 21st to the 28th of February



In an old chronicle of the Italian University of Parma, you can read the following text:
“Two years ago the number of students enrolled at this University was a perfect square. Last year, this number grew in 100 units, obtaining a perfect square by adding just one unit. This year we have one hundred students more (100 units) and we have again a number of students which is a perfect square!”.
Which was the number of students on each occasion?

SOLUTION

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