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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