Fidelity Investments Developer interview questions

The first round was an online aptitude round. It was conducted in our college The questions were easy based on quantitive aptitude, data interpretation, logical reasoning etc. about 25 % of the students were shortlisted The written round was followed by series of two interviews. One was technical while other being HR. The technical interview is mostly based on things taught in classes nothing worth more of preparation. The HR is general discussion on resume and about your personality.

aptitude round- 45 questions for about 60nminutes technical interview- questions regarding c++, DBMS, big data,puzzles HR interview- very friendly, common questions like hobbies and quetions on projects common questions like why do you want to apply for our company? since i was from ec background there were questions on basic working of opamp, working of diode questions on antenna working they selected 12 out of 34 candidates in the final round and also they asked whether i was ready to reloacte to chennai?