A hard classic riddle
It's black when you buy it, red when you use it, and gray when you throw it away. What is it?
💡 Need a hint?
It goes on a barbecue grill.
Show the answer
Charcoal
Think it through before you peek. Stuck? Read the riddle out loud: many riddles hide the answer in a word with two meanings.
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Frequently asked questions
What is the answer to the riddle "It's black when you buy it, red when you use it, and gray when you throw it away. What is it?"
The answer is Charcoal. It goes on a barbecue grill.
Is this riddle hard?
It is rated hard. Many adults need the hint, so do not worry if it takes a while.
Where can I find more riddles like this?
This riddle is in the brain teasers, riddles for adults, and hard riddles lists on Quiz Zoomies, each with hints and hidden answers.
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