Judges 14:12

American Standard Version (ASV):
And Samson said unto them, Let me now put forth a riddle unto you: if ye can declare it unto me within the seven days of the feast, and find it out, then I will give you thirty linen garments and thirty changes of raiment;

King James Version (KJV):
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: