The combined ages
of Mary and Ann are forty-four years, and Mary is twice as old as Ann
was when Mary was half as old as Ann will be when Ann is three times as
old as Mary was when Mary was three times as old as Ann.
How old is Mary?
That is all, but
can you work it out?
If not, ask your friends to help you, and watch the shadow of
bewilderment creep over their faces as they attempt to grip the
intricacies of the question.