Are there more doors or windows in the world

Estimation – Are more doors or wheels in the world?


This internet debate perfectly describes the current state of social media. Grab everyones attention, keep them engaged long enough to feel they have an opinion worth commenting, and then offer no resolution unless they subscribe or watch for part 2.

But if you are like me, you have a problem-solving itch that needs to be scratched! I have really enjoyed the conversations it has sparked, but the articles about the answer don’t really offer an answer. Many of which are basing their conclusion on public polls. But as a nerd, I can’t accept the answer to a math problem based on public opinion.





So I am going to answer this thought experiment so it doesn’t end up like the dress color debate.

How to solve estimation problems

Answering this type of question should also be of interest for anyone like myself wanting to work at Google, Meta, or Amazon, who all famously uses estimations as part of their interview process.

In fact, practicing this type of question has taught me that a great framework already exists for trying to solve estimations of this scale, the Drake Equation. (If you are unfamiliar, g

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On March 5, 2022, Ryan Nixon posted a poll on the social media platform X (formerly Twitter), asking users if they think there are more wheels or doors in the world. It started as an innocent poll, but as it quickly went viral, the question appeared on various social media platforms. Soon enough, scientists and mathematicians weighed in, and people from all over the world voiced their opinions on the wheels vs doors debate.

Are There More Wheels or Doors in the World?

The answer might seem obvious to some, but this debate currently has people divided. Some believe there are more wheels than doors, while others insist on the opposite.

Based on our research, there are far more wheels than doors in the world. It might seem hard to believe since there are more houses in the world than cars, but you’d be surprised by how many objects actually have wheels, such as baby strollers, garbage cans, and shopping carts.

A door is a swinging or sliding barrier that controls one’s exit and entry to a building, room, or closet. Aside from motorcycles, vehicles also have car doors, which allow the driver and passengers to enter and exit the cabin. There are

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Are there more wheels or doors in the world? We asked an MIT professor for the answer



Doors or wheels? That is the question: Whether 'tis nobler ...


A debate to determine whether there are more wheels or doors in the world has taken the internet by storm. No, really.  

The discussion has divided social media users into teams, with one side pointing to hotels, apartment buildings and dorms and the other citing suitcases, bicycles and other common items that function with wheels.  

According to the website Know Your Meme, which tracks popular internet memes, the debate started raging when Twitter user Ryan Nixon posted a poll last week asking: “Do you think there are more doors or wheels in the world?”  

More than 223,000 people voted in the poll, with wheels beating out doors. 

The question quickly spread on social media, with celebrities, journalists and other Twitter users defending their positions on #TeamWheels or #TeamDoors.  

“there are more wheels than doors. literally not even a debate. goodbye,” tennis player Coco Gauff shared.  

The debate also went viral on TikTok. #TeamDoors pointed to skyscrapers, bathroom stalls, dog doors and refrigerator doors adding up