A locked door was found shut with no key in sight, but inside the room was a message claiming the door was never opened. How did the message get in?
Category: Mystery · Difficulty: easy
Hint: Think about how small objects might enter without opening
Answer
The note was slipped under the door
Explanation
Sliding a note under the door leaves the door unopened but a message inside.
This is an easy mystery riddle — a good one for children and beginners. The answer is The note was slipped under the door.
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