Your analysis is correct. The timing issue is hurting your score. If you want to score towards the higher end of your 'ability range' (probably a 35+, since you've already gotten that sore in practice!), you can't let yourself run out of time. Since it's a reading speed problem, there are a couple of possibilities:
- You can learn to read faster while continuing to read in basically the same way. The best way to do this is to practice reading, a lot. Not just GMAT materials. Read magazine and newspaper articles with similar content to what you'll see on the GMAT.
https://www.manhattanprep.com/gmat/blog ... rehension/- You can learn to read
differently - specifically, you can learn to read less of each passage, and skim more, while still getting basically the same number of questions right.
https://www.manhattanprep.com/gmat/blog ... p-passage/Or if the problem is with Sentence Correction timing, you can learn to look for differences among the answer choices first, rather than reading all the way through each answer choice.
- You can adopt a guessing strategy that lets you strategically guess on questions
at regular intervals throughout the test, so you don't miss a lot of questions in a row at any point.