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by Brian Gladman on September 15, 2013

Sunday Times Teaser 2660 – Oblonging

by Des MacHale

Using A4 sheets of card, I have made rectangles with dimensions in centimetres of 1 x 2, 2 x 3, 3 x 4 and so on up to a maximum size. I needed more than one A4 sheet to do this.

My family managed to lay out all these rectangles with no gaps or overlaps to form a larger rectangle that also had sides that differed by one centimtre.

How many rectangles did I make?

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