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Spot the error: Teacher taught that the Earth revolved around the sun.
"revolved" is not correct. It must be "revolves".(Universal truths are always conveyed in simple present tense).
Key difference between "Strengthening statements" and "Evaluation statements" on CR:
- A strengthening statement "helps" an argument.
- An evaluation statement may "help" or "hurt" an argument.-- Either way, it leads to an "evaluation" on the argument.
"Do so" is the correct usage when "so" refers to an action."Do it" is the correct usage when "it" refers to a noun.
As "do" generally refers to actions, "do so" is more often correct than "do it".
60% of the learning comes from analyzing mistakes!
If Jack was a professional athlete, he would be fit. : IncorrectIf Jack were a professional athlete, he would be very fit. : Correct
A subjunctive mood construction - (if + plural form of verb + would be)
Approach for solving SCs:
1. Read the mother sentence.2. For underlined part, move to answer choices.3. Compare vertically to observe the difference in the choices.4. Eliminate 4 choices through vertical comparison while reading horizontally.5. Read the sentence end-to-end before marking an answer choice.
A takes 10 minutes to do a job. B takes 30 minutes to do the same. How long will they take to complete the job if both of them work together?
k x (1/10 + 1/30) = 1
Solve it for k. Answer: 7.5.
RCs make or break your GMAT.Practice RCs everyday!
Don't exhaust official material early- it's a common mistake.Save it for the last few weeks.
1-week gap in prep hurts your progress by 3-weeks.
Don't exhaust official material early- it's a common mistake.Save it for the last few weeks.
"Confusing-cause-with-effect"
A favorite GMAT CR fallacy.
Example: Every time I dream, I sleep.
120
Do not chase "tricks/tips/shortcuts". Chase "concepts"!Do not chase "scores", chase "learning". Scores will follow.
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