Amazon Transaction Risk Investigating Officer interview questions

It took two days...i applied through college campus placements.. Ist round was quite easy but slection process was little bit vague..it was a hr screening round each of 60 candidates in a group was not allwed to speak equally though.few of them were even better than me....i gave my best i guess they were looking for half filled bottles....i guess was selected follwed by that there was a written test....all logical and then next day we had telephonic rounds as well as other communication skill check round finaaly there qas a face to face interview