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.
Two correct usages of "distinguish":
"distinguish between A and B""distinguish A from B"
Monday-to-Friday: Concept-building + PracticeSaturday: Re-attempt incorrectly answered questions + ConsolidateSunday: A full-length test with proper analysis
In DS, beware of "exceptions".
Q. Is X positive?(1) |X| = X.
Because of the exception "X = 0" case, this statement is insufficient.
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".
Scientists postulate that the magic particle exists. : IncorrectScientists postulate that the magic particle exist. : Correct
A subjunctive mood construction - (subject + bossy verb + that + base form of verb)
Cyclic Quadrilateral
All its four vertices lie on a circle.
Sum of the diagonally opposite angles is 180 degrees.
1-week gap in prep hurts your progress by 3-weeks.
"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
RCs make or break your GMAT.Practice RCs everyday!
Do not chase "tricks/tips/shortcuts". Chase "concepts"!
Do not chase "scores"; chase "learning". Scores will follow.
Areal probability
When you need to find probability of a specific area to be selected out of the total area.
P(E) = Desired Area / Total Area
120
Don't exhaust official material early- it's a common mistake.Save it for the last few weeks.
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