The online test are using SHL, you could excercise using the question in the SHL. I recommend to do the personality test first bca it was the easy one, and save the numerical for the last bcs it was really hard

Very professional, no indicator of whether the interviewer liked the answer given or not, you would only know how you did overall by getting the offer or being rejected. The interviewers were very punctual and understanding if a reschedule of interview is needed.