Google Software Engineer I interview questions

I was asked how many tennis balls is needed to fill up a school bus. There is no fixed answer. Interviewers just want to see your logic when facing a problem

Interview process was simple We first had an OA that we were asked to solve I had something wth arrays then we had a group information session. Afterwards we had to schedule a interview day where it would be 4 interviews in one day each 1 hour. The order was random but It was 3 technical 1 behavioral