"Circular Reasoning"- The fallacy of assuming a conclusion to be true, in reaching the conclusion.
A favorite GMAT CR fallacy.
Example: Jack cannot lie because Jack always tells the truth.Example: A is true because B is true; B is true because A is true.
2 is the only even number that is prime.
In DS, beware of "exceptions".
Q. Is X positive?(1) |X| = X.
Because of the exception "X = 0" case, this statement is insufficient.
Uncountable nouns are singular.
Hair has grown. - CorrectSugar is sweet. - Correct
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.
Be cautious when you see extreme tonality on a CR question or answer choices.Example: must, most, highest, lowest, worst, best etc
- Often, the key to elimination/selection of an answer choice lies in such extreme terms.
Congruent Triangles
All sides and all angles are equal. Hence, shape as well as size is the same.All corresponding angle bisectors, altitudes, and medians are equal.Areas are equal.
Be cautious when you see "numbers" in CR questions.- Often, the key to solving the question lies in those numbers.
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.
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.
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