Pocket Gems interview questions

First round,two coding questions. Very easy ones, the first is strstr(). Yeah, they love strstr(). And the second is find most popular numbers in an array. The interviewer is very friendly. There was bug in my code, but still get second round.

Two phone interviews with PMs. Really nice people. Each call lasted 30 mins. First one was about logic maths / quantitative stuff. There is no real good/bad answers I guess, PMs just want to see how you react/think about unexpected questions. Second one was about PG' games and a maths problem about cars, which was pretty easy, but as a non-english native speaker without knowledge of imperial system, I took too much time to resolve it. I was not called for an on-site interview afterwards, but it was a great training. Not raging, but it's too bad PMs don't care/ask about previous experiences, it just let you feel you need to suit their needs and in the end, it could be you, or basically anybody else.