Q1 &2: You can refer to post #65 in this thread which is very accurate
Q3: I think most of the candidates agree the 3-in-1 task is the most difficult part.
Q5: It usually takes about 90 minutes. However, there is no time limit. Just take your time to read the instruction between tasks clearly.
Good luck
grasskk:
Thank you for your information. Hope we can get the call soon. Finger X