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.
Sum of a diminishing infinite series:
S = a / (1 - r)a: the first term in the progressionr: the common ratio
"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.
On the GMAT, ensure 'completing' each section.- "no attempts" attract greater penalty than "negative attempts" do.
"Like" is used for "comparing nouns"."As" is used for "comparing actions"."Such as" is used for "giving examples".
The error of comma splice occurs when two independent clauses are joined using a comma.Example: Amy sings, she enjoys it.Correct: Amy sings; she enjoys it.
Angle from a chord at the centre is twice that at the circumference.
A sentence in English can end in just 3 ways: period, question-mark, or exclamation mark!
Difference between "Inference" and "Conclusion" on CR:
- Inference is any statement that can be derived from the passage, without any assumptions or extrapolations- Conclusion is the main point of the passage.
- "Conclusion" is a subset of "Inferences".-- The "main inference".
Schedule your GMAT (only) once you get your target score on 3 consecutive mocks!
Don't exhaust official material early- it's a common mistake.Save it for the last few weeks.
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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Understanding the "intended meaning" is the key to solving SC questions.
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