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by Brian Gladman on January 24, 2016

Sunday Times Teaser 2783 – Old Boys’ Banquet

by Danny Roth

An Old Boys banquet involved a number of complete tables each of 50 diners. More than half the boys bought a female guest, the rest came alone.

When the three numbers: (boys with a guest, boys alone, boys in total) were inspected it was found that all ten digits were used exactly once among them.

How many boys had a guest and how many came alone?

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