Answer:
Bronwen is the oldest.
Explanation:
It is given that:
- Bronwen is older than Gareth. ( This means that: Gareth < Bronwen)
- Cedric is younger than Olwen. ( This means that: Cedric < Olwen )
- Gareth was born 1 year before Olwen. (This means that: Olwen < Gareth )
This means that: if we arrange these four people according to their ages from youngest to oldest based on the information provided in the above three points we have:
Cedric < Olwen < Gareth < Bronwen