Room 20

…room number 20. The ringing stopped as soon as we entered.
“What is the matter now?” I asked them.
“Too many animals for a proper house!”
They walked carefully around the edges of the room. I watched with an amusement shared, I think, by the wise old tortoise.
With backwards looks and muttered comments about turtles they left room number 20 and entered… Room 1 Room 5 Room 27

Clues

- The words "the ringing" hides "he ring" (herring)

Solutions

- The correct door is 1

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