As drisss pointed out, it is obvious where your problem lies. I am assuming you are facing difficulties in all 3 Verbal question formats. Here is some advice I gave for Verbal in another thread.
For SC, make sure you work through all OG questions at least a couple of times. Do 20 questions in a sitting (give yourself 35 minutes) and then analyze them. Go through the explanation of each and every question, the ones you got correct too (so that you can knowingly duplicate it in other questions). If the OG explanations are vague (which they do tend to be), rephrase the concept in your own words. Taking notes of important points is highly recommended (will be useful later). Make an error log
. It is a must for SC.
Every CR question in GMAT will be very logical with no ambiguity. The higher questions will need you to consider implications of what is said; the lower level questions will give you direct consequences. The idea is to understand what to focus on in each question type. Let's say if it is a weaken question, we focus on our conclusion. So first figure out the conclusion of the argument. Then look for an option that specifically weakens the conclusion, not some premise given in the argument. For mimic questions, define the logic of the argument using symbols. e.g. A does B. B is also done by C. So A and C are brothers. Then look for same structure in the options. In Inference questions, there is no conclusion in the stimulus. You have to give the conclusion. Remember that the correct option will never provide new information. It will only rephrase information given in the argument so on and so forth. See what strategies work best for you.
Improving RC is mostly about practice. Though, it is a good idea to take short notes of each paragraph. Will help you retain focus (mind tends to wander while reading a long passage) and universal questions can be easily handled. Just 2-3 words per passage e.g.
1. Intro fem. reforms before 1885
2. Ms. X first person - opposed
When you get a specific information question, you know which paragraph to jump to since you already know which paragraph has what. Say a question about who opposed Ms. X, jump to paragraph 2. Also try and analyze the tone of the passage immediately after reading. You will remember it much better at that time rather than after 3 questions. It will take 10 secs to make up your mind and is worth the investment. Also define the scope in your mind at the end of the passage (take 10 secs). What is relevant, what is not. e.g. similar reforms in other countries is out of scope. Analyzing the passage immediately after reading it will help you answer the questions quickly and cleanly.
Also, read some good books to develop an instinct for proper idioms and correct grammatical structure in English.
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