Judges 14:12 in the King James Version
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:
Context
11 When they saw him, they brought thirty companions to be with him.
12 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;
13 but if you can’t tell me the answer, then you shall give me thirty linen garments and thirty changes of clothing.” They said to him, “Tell us your riddle, that we may hear it.”