GMAT Verbal Section | Very badly Need help in CR questions :(

Hi,

Could someone please help me in giving some tips on how to solve the GMAT CR questions in verbal part?

Coming to CR part, I couldn't score much on it. I have my exam coming soon and i really want some help in cracking CR questions. to elaborate, I am basically not to get the assumptions correctly, and by the time i get to the correct assumption, it is almost 4 minutes done.

If someone can please give me some tips on how to effectively get these CR questions correctly, it would be really
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