I sometimes skip over the parallel questions because they can take some time. I also skip a game if I can't get a grasp of it quickly. During the actual test I didn't skip any questions and just blazed through.
... a time sink, I will skip it in order to knock ... main point), then I'll skip around to find questions that ... can be more difficult to skip a question (especially towards the ...
Can you specify which video? Some videos will start out blank / with nothing on the screen. Skip forward a few minutes into the video to see if there's anything.
Practice, practice, and more practice.. These are usually the questions I skip over because they're so time consuming, I always come back to them before the time is up.