One day Kerry celebrated her birthday.

Two days later her older twin brother, Terry, celebrated his birthday.

How can this be, assuming that the difference in twins' ages can be a few minutes, but not over an hour?

the problem says "Older twin, brother, Terry".
Terry & another sibling are the twins, and Kerry is the twins' younger sister. Nothing says Kerry is one of the twins.

Posted by sach on 2002-12-30 13:59:37