Clues: 1. Mary is older than Henry and younger than Jean. 2. Mary is younger than Karen. 3. Jean is older than Tom and younger than Mark. 4. Tom is older than Mary. Who is the youngest? --------------------------------- It's not Mary for she's older than Henry. (Clue 1) It's not Jean, for Mary is younger. (clue 1) It's not Karen, for Mary is younger. (clue 2) It's not Mark, for Jean is younger. (clue 3) It's not Tom, for he's older than Mary. (clue 4) So the youngest can only be Henry. ----------------------- Edwin