Open Futures interview questions

Asked a networking question, a math brainteaser, and a general math question. Was pretty difficult. 45 LPA Salary. Networking question was in C++, questions were pretty difficult. Only did 1 round

Hacker earth interview with 4 questions from probability, graphs, number theory, proofs e.t.c. I was given 2 hrs to solve the questions, it was an online test. And the questions are very hard for me. But someone with strong mathematics background can solve them easily.