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In DS, "no" can very well be an answer.
Question: Is X = 7?
(1): X is not a prime number.
(1) is sufficient. Because (1) leads to "No, X is not equal to 7".
Key difference between "Assumption statements" and "Strengthening statements" on CR:
Assumption statements are a subset of Strengthening statements.
- A strengthening statement fills the missing link.
- An assumption statement fills the missing link and must be true for the argument to hold ground.
On Verbal questions, don't "Select 1 choice."Rather, "Eliminate 4 choices."
"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".
If it really comes down to "guessing" on the GMAT...- On SCs, go for the "shortest" choices.- On RCs and CRs, go for the "longest" choices.- On DS, go for "C".
On the GMAT, ensure 'completing' each section.- "no attempts" attract greater penalty than "negative attempts" do.
On the GMAT, ensure 'completing' each section.- "no attempts" attract greater penalty than "negative attempts" do.
You should regularly revisit SC concepts.Make SC Stage-1 videos and GMAT Shots your good friends!
"Comparing percentage with absolute numbers"
- The fallacy when percentage/proportion is compared with absolute data.
A favorite GMAT CR fallacy.
Example: Jack improved his score by 200%.
Inference: Jack performed well. - Incorrect
Practice RCs, everyday!The skill will help you in all sections and question types!!
Don't leave mocks for the end- it's a common mistake.Take a mock every week.
Range:
The difference between the greatest and smallest elements in a set.
Example: {10, 7, 5, -20, 10, 15, 25, 50, 100, 200, -100}
Range = 200 – (-100) = 200 + 100
= 300
120
"Confusing-cause-with-effect"
A favorite GMAT CR fallacy.
Example: Every time I dream, I sleep.
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