Amazon Transaction Risk Investigator interview questions

The process started with me applying on a online portal and i got call letter for the interviw with th above mentioned post, The Interview started with a cool HR Round and then went on to Watson Test, which is logical thinking test . Then we have the Operation round

Crumble some haphazard unorganized process. First round was Group Discussion (GD). Next up was online aptitude test which consisted of Reasoning, and Logical Questions which was around for 45 minutes. Next was telephone call round where you'll have to call a given number and do as instructed.