It is known that precisely two of the men are knights, who always speak truthfully, and the remaining man is a liar, who always tells lies.
They make the following statements:
- Quentin: Seven apples and five bananas cost precisely the same as six oranges.
- Raynor: Four apples and nine oranges cost precisely the same as five bananas.
- Seth: Six oranges and three bananas cost precisely the same as four apples.