A Curious Exchange
Census Taker: How old are your three daughters?
Mrs. Smith: The product of their ages is 36, and the sum of their ages is the address on our door here.
Census Taker: (after some figuring) I’m afraid I can’t determine their ages from that …
Mrs. Smith: My eldest daughter has red hair.
Census Taker: Oh, thanks, now I know.
How old are the three girls?
(Solution)
