"This is a Fermi problem — an estimation or approximation problem with limited information and back-of-the-envelope calculations. There's no right answer: interviewers want to understand how you think and how well you can explain your reasoning, rather than what you already know.
Recall the formula for Fermi problems:
Ask clarifying questions
Catalog what you know
Make equation(s)
Think about edge cases to add to equation
**Breakdown components of your equat"
Exponent - "This is a Fermi problem — an estimation or approximation problem with limited information and back-of-the-envelope calculations. There's no right answer: interviewers want to understand how you think and how well you can explain your reasoning, rather than what you already know.
Recall the formula for Fermi problems:
Ask clarifying questions
Catalog what you know
Make equation(s)
Think about edge cases to add to equation
**Breakdown components of your equat"See full answer
"User: Self Driving Ride Sharing Car Companies (consdering waymo uasecase for google)
Needs
Identify the rider and allow only authorized rider to enter
Emergency use case (allow maintenance team to enter in case of emergency)
Avoid accidents with nearby vehicles
Avoid blindspots with kids / pets nearby
Solutions
Biometrics / qr code scanning to identify the rider / maintenance team
Alerting the emergency team in case of accident / fire etc.
Sensors / camera in the car
Remote Locking"
P D. - "User: Self Driving Ride Sharing Car Companies (consdering waymo uasecase for google)
Needs
Identify the rider and allow only authorized rider to enter
Emergency use case (allow maintenance team to enter in case of emergency)
Avoid accidents with nearby vehicles
Avoid blindspots with kids / pets nearby
Solutions
Biometrics / qr code scanning to identify the rider / maintenance team
Alerting the emergency team in case of accident / fire etc.
Sensors / camera in the car
Remote Locking"See full answer
"As a PM at google, If I found a glowing magic relic to accurately predict weather, I would like to explore its functions and properties to integrate with multiple google products such as weather, maps or even google home
I would go and find out how this works- assume that this tennis ball sized aritfact is able to accurately predict weather forecast for next 30 days for all geaographies, inside and outside temperature and is quite accurate i would shorlist usecases where this could be made appl"
Ankita V. - "As a PM at google, If I found a glowing magic relic to accurately predict weather, I would like to explore its functions and properties to integrate with multiple google products such as weather, maps or even google home
I would go and find out how this works- assume that this tennis ball sized aritfact is able to accurately predict weather forecast for next 30 days for all geaographies, inside and outside temperature and is quite accurate i would shorlist usecases where this could be made appl"See full answer
"This is a Technical question. It tests your ability to understand high level technical concepts. Even though your job won't have any coding involved, you'll still need to understand these concepts. Being able to cover all these topics with clarity communicates confidence in your interviewer.
Unfortunately, there's no formula for technical questions, but some general tips are:
Use analogies when you can
Break your solution into clear, bite-size steps
Don't be afraid to use examples to b"
Exponent - "This is a Technical question. It tests your ability to understand high level technical concepts. Even though your job won't have any coding involved, you'll still need to understand these concepts. Being able to cover all these topics with clarity communicates confidence in your interviewer.
Unfortunately, there's no formula for technical questions, but some general tips are:
Use analogies when you can
Break your solution into clear, bite-size steps
Don't be afraid to use examples to b"See full answer
"Steps in booking (eg. movie ticket booking)
User logs in
User enters details
User selects seats
User adds meal options
User enters payment method
User completes payment
Scenarios Which can happen
agents corner the tickets and then sell them at premium
Multiple users booking at the same time and get an error message at the end
Money gets stuck and will be refunded later
Load at the server and server crashes
Multiple users get t"
P D. - "Steps in booking (eg. movie ticket booking)
User logs in
User enters details
User selects seats
User adds meal options
User enters payment method
User completes payment
Scenarios Which can happen
agents corner the tickets and then sell them at premium
Multiple users booking at the same time and get an error message at the end
Money gets stuck and will be refunded later
Load at the server and server crashes
Multiple users get t"See full answer
"Clarifying questions
Why do we want to improve? Do we have anything specific in mind?
Any constraints?
Professional networking only or do we want to expand our horizons?
Linkedin mission - To help users form networks professionally and know about the world and opportunites out there. LinkedIn has become a social media platform to showcase your professional skills.
Focus on acquiring and keep this audience engaged on the platform
How does it fit with GenZ and GenY - This is the generation"
Namrata L. - "Clarifying questions
Why do we want to improve? Do we have anything specific in mind?
Any constraints?
Professional networking only or do we want to expand our horizons?
Linkedin mission - To help users form networks professionally and know about the world and opportunites out there. LinkedIn has become a social media platform to showcase your professional skills.
Focus on acquiring and keep this audience engaged on the platform
How does it fit with GenZ and GenY - This is the generation"See full answer