HardLateral
"I am white when dirty and black when clean. What am I?"
Answer
A Blackboard
Explanation
A blackboard is black when clean and empty. When used — considered dirty — it is covered in white chalk marks. The riddle reverses normal expectations.
This is a hard riddle in the Lateral Thinking category — Riddles that require thinking completely outside the box.
Featured in: Hard Riddles · Riddles for Adults
Tags:lateralobjectsschool
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