GRE General

Does ETS cut marks in GRE if any question is remain unanswered?
I attempted powerprep 1 today. In the first section I got 15 correct and 12 in the later. But I got a total 156.
There were 2 answered question on my 1st section.

No, GRE doesn’t have any negative marking but it does penalized you depending upon how many questions you got correct out of the total. Take a look at this video to know more about GRE scoring algorithm https://www.youtube.com/watch?v=kO1kCeScHu4.

The scoring is a little off in both the free power preps