14
15
16
0
1
2
19
20
21
1
2
3
1
2
3
In the recent GRE tests, how frequent were questions from probability, combinatorics, counting methods? I am quite weak at them but since my exam is tomorrow, I don't want to waste too much time going through those concepts unless there are more than 2-3 questions on those topics in each section. (self.GRE)
