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Coding

4 years ago

Given a tree, write a function to return the sum of the max-sum path which goes through the root node.

Data Scientist

Duolingo

Noom

Airbnb

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4 years ago

Coding

4 years ago

How would you go about writing a function that determines the RMSE for two provided arrays?

Data ScientistMachine Learning Engineer

Duolingo

Bloomberg

Wise

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4 years ago

SQL

4 years ago

Return all the records where the first character is 'H'.

Data Scientist

Duolingo

American Express

Zendesk

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4 years ago

Behavioral

4 years ago

Tell me about a time when you showed initiative.

Data ScientistData Science ManagerML Engineering ManagerData Engineering Manager

Duolingo

Two Sigma

Citrix Systems

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4 years ago

ML Knowledge

4 years ago

What do you understand by the term perceptron?

Data Scientist

Duolingo

Blend

Lattice

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4 years ago

Behavioral

4 years ago

Please share a time when you disagreed with a member of your team.

Data ScientistTechnical Program ManagerSoftware EngineerProduct Manager

Duolingo

Lenskart

Takeaway

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4 years ago

BehavioralTechnical

4 years ago

Have you attended any craft conferences? Tell us some of your key takeaways from one you've attended recently

Data ScientistData Engineering ManagerUX DesignerEngineering Manager

Duolingo

LendingClub

Bill.com

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4 years ago

Coding

4 years ago

What process would you follow to systematically decode a string with several layers of nested parentheses?

Data Scientist

Duolingo

CRED

OpenDoor

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4 years ago

SQL

4 years ago

Can you differentiate between the use of window functions, aggregate functions, and joins in SQL?

Data Scientist

Duolingo

Stitch Fix

Quantcast

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4 years ago

SQL

4 years ago

How would you go about identifying the top 5 best sellers from a collection of order histories?

Data Scientist

Duolingo

Rippling

GitLab

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4 years ago

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