A note was passed in a noisy room but no one heard it. How did the message get across?

Category: Mystery · Difficulty: easy

Hint: Why might a note not be heard but still understood?

Answer

The note used invisible ink writing

Explanation

Invisible ink hides the message until revealed, so it remains unnoticed amidst noise.

This is an easy mystery riddle — a good one for children and beginners. The answer is The note used invisible ink writing.

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