Exclusive discussion for PE-2 students

hi, this is Dev
congrats for all students who cleared. I have some unanswered questions ?
1.what is passing % of PE2 students ?
2.who is the topper in pe2 & marks ?
3.why there is a huge difference in % in getting rank in pe2 & pcc. In pe2 rank started @ 331 marks i,e 40 th rank. in case of pcc rank starts from 420 marks
4 In pe2 there are students who got more than 360 but not given any rank ? the question is how the ranks are given? please answer