Amazon Manager - Operations interview questions

I applied online, then I got invited to take the online assessment test, which I passed. After this, I had 2 phone interviews, which I passed. The problem arose that though I passed both interviews and was to have the final panel interview with 6 Amazonians, I was informed that the role was put on hold. Weeks later I was notified that I would not be scheduled for the final interview.

Two phone screens with recruiters and then human resources. The actual interview was four parts. There was a math section, a human resource section, an operations person and then a fourth person that was random. All were done on-line and consecutive, right after the other