In DS, when you are able to solve "too easily", you are probably missing a trap.
Q. Which integer is the highest common factor of four positive integers A, B, C, and D?(1) A= 27, B=49.
Unlike what many students will think, this statement is "Sufficient". Because no matter what "C" and "D" are, if HCF of "A" and "B" is 1, the answer is going to be "1".
"Who" vs "Whom" on SC
"Who" is the "subject" form."Whom" is the "object" form.
Do not chase "tricks/tips/shortcuts". Chase "concepts"!Do not chase "scores", chase "learning". Scores will follow.
Don't leave mocks for the end- it's a common mistake.Take a mock every week.
Commas cannot join two independent clauses.Incorrect: Amy sings, she enjoys it.Correct: Amy sings; she enjoys it.Correct: Amy sings, and she enjoys it.
Backup strategy: On the real GMAT, if you get an RC that you just can't comprehend......you must mark randomly and move on...
- Don't let one RC decide the fate of your complete GMAT score.-- Rather, save time and get the remaining questions correct!
In DS, an answer is achieved only when the answer is "consistent".
Q. Is X a multiple of 24?(1) X is a multiple of 6.(2) X is a multiple of 4.
X = 24 satisfies both (1) and (2), leads to "Yes".X = 12 satisfies both (1) and (2), leads to "No"."Inconsistent". Hence, insufficient. Answer is E.
In a correct sentence, each pronoun must have a clear noun for reference; the noun and pronoun must agree in number.
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.
The mind-map-strategy for RCs
1.Skim through the first paragraph.Take your eyes off the screen.
2. Ask yourself the paragraph's "purpose" .Purpose is always very, very brief.Avoid paraphrasing the details.
3. Skim through the next paragraph.Take your eyes off.Ask yourself the paragraph's "purpose".Link the purpose of the first paragraph with that of the second.
4. Keep repeating Step 3 for all the subsequent paragraphs.
Don't leave mocks for the end- it's a common mistake.Take a mock every week.
"Assuming that bases are same"- The fallacy when post-event difference in results is attributed to the event. -- Without establishing that the pre-event results were similar.
A favorite GMAT CR fallacy.
Example: Group A was given tonic Xinca. Group B was given a placebo. Post experiment, on the same IQ test, Group A performed significantly better than Group B. Inference: Xinca improves intelligence. - Incorrect
120
Approach for CR boldface questions:
Step 1: Identify the conclusion.Step 2: Link the bold part(s) with the conclusion.Step 3: Know what to expect from the correct answer choice.Step 4: Eliminate four choices.
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