Door and window

What kind of room has no doors or windows?


This classic riddle has been around for centuries and is still a popular brainteaser. Are you ready for a brain teaser? Well, here it is: What kind of room has no doors or windows?

Clues to help solve the riddle: What kind of room has no doors or windows?

Think carefully about the objects in a room and what they can tell you. Consider the walls and ceiling, or any other feature of a room that might hold an answer. Maybe there’s something special about this particular kind of room?

The answer is ‘a mushroom’!


The answer to the question “What kind of room has no doors or windows?” is a mushroom! This seemingly impossible description actually makes sense when you think about it. Mushrooms grow in damp, dark places without the need of any external source of light or air. So while not all mushrooms are enclosed rooms, they do help us understand that sometimes the expected answer isn’t always the right one!

While it may not make sense right away, once you think about it more deeply and consider how mushrooms grow in dark places without any light coming in through windows or doors, the answer will become clear. So if someone asks you this question next time, remember the answer – a mushroom!

Why it is the correct answer

Mushrooms are a type of fungus that grow on damp substrates without need for other environmental conditions, such as light, air or water. Therefore, they do not require a physical room to survive and can exist without doors or windows.

Additional insight or fun facts

Fungi are actually some of the oldest life forms on earth, having evolved over 750 million years ago. They come in a wide variety of shapes and sizes, and many can be found growing in your own backyard! It’s no wonder why they have been able to succeed without the need for traditional rooms.

Similar ways this question is asked

Similar questions that have the same basic idea include: “What plant doesn’t need sunlight, air or water to grow?,” “What kind of house doesn’t need walls or a roof?,” and “Where can you find a room without any doors or windows?”. This classic riddle has been around for centuries, so it’s no surprise that there are several different ways it can be asked. There may even be some creative ways people have come up with over time! The point is, the answer remains the same no matter how the question is asked: A mushroom!

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