Coins!

Riddle: I have two coins that equal fifteen cents but one of them is not a nickel. What two coins are they?

Answer: A dime and a nickel because one of them is not a nickel but the other one is.

Source: https://www.riddles.com/10598

I have two coins that equal fifteen cents but one of them is not a nickel. What two coins are they? — Coins! by kanish v1.

Riddle: I have two coins that equal fifteen cents but one of them is not a nickel. What two coins are they? Answer: A dime and a nickel because one of them is not a nickel but the other one is. — by kanish v2.