VinSol Ruby On Rails Developer interview questions

There were five rounds. Written test- 15 questions of data sufficiency in 1 hr (simplest round). Puzzle round- they gave us two puzzles, no time constraint System test - simple problem like reversing words in string. HR - questions from CV, about my projects, some questions from java script and general HR questions. Director round- again some puzzle. an algorithmic problem (average one) following implementing it any language of your choice.