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OA」 Capital One DS OA | New Grad online test review + analysis of high-frequency Simulation question types

Recently, many students have received OA from Capital One Data Scientist New Grad. Overall…

OA」 Google OA interview | Two questions in 10 minutes AC, a written test with a high hit rate on the original questions

I just finished Google OA recently, the pace is fast, but not difficult. Google actually doesn’t like to ask particularly biased questions in its written exams, but prefers classic ones...

OA」 Uber OA interview experience sharing｜Quick review of three high-frequency questions and analysis

I just recently passed Uber OA. The overall difficulty of this round of questions is not particularly high, but it is a test of modeling ability and clarity of thinking. Many questions don’t seem complicated,...

OA」 Point72 Online Assessment 2026｜40 minutes 4 questions latest real test review + analysis

I just finished the Point72 Online Assessment in February. My overall feeling is: the question itself is not particularly difficult, but the format and implementation...

OA」 Microsoft OA Interview 2026｜Timeline + HackerRank two high-frequency coding

I just recently completed a complete interview process at Microsoft. It took about two months from the initial overseas investment to the final offer. This article is…

OA」 Capital one OA online test review (ng version) | Capital one ds OA passed with perfect score

C1 has released a lot of OA recently, and Capital One OA is really not as difficult as imagined! The first two questions are relatively simple, easy difficulty, the focus is on the second...

OA」 IBM OA interview｜26NG SDE two courses in one pass

The frequency of IBM OA this year is actually not low, and many students who voted for NG SDE have received invitations one after another. The overall style is quite typical H…

OA」 BCG X 2026 DS Intern OA | Full analysis of four data questions (with core ideas)

This BCG X DS Intern OA was not algorithm-oriented and was significantly closer to the real data science workflow: Metric Analysis → Data…

OA」 Google 2026 New Grad OA new question express | Google OA sharing

This time Google 2026 New Grad OA has indeed updated the new questions, and it feels like the question bank has finally started to move. The overall difficulty is not particularly tricky...

OA」 Two Sigma OA interview review｜Test analysis and timeline reference for passing three questions in one go

The overall experience of this Two Sigma OA is very similar to the BCG