Judges 14:12 in the World English Bible
Samson said to them, “Let me tell you a riddle now. If you can tell me the answer within the seven days of the feast, and find it out, then I will give you thirty linen garments and thirty changes of clothing;
Context
11 And it came to pass, when they saw him, that they brought thirty companions to be with him.
12 And Samson said unto them, I will now put forth a riddle unto you: if ye can certainly declare it me within the seven days of the feast, and find it out, then I will give you thirty sheets and thirty change of garments:
13 But if ye cannot declare it me, then shall ye give me thirty sheets and thirty change of garments. And they said unto him, Put forth thy riddle, that we may hear it.