Understanding the "intended meaning" is the key to solving SC questions.
"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
On the GMAT, ensure 'completing' each section.- "no attempts" attract greater penalty than "negative attempts" do.
Understanding the "intended meaning" is the key to solving SC questions.
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".
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.
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.
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.
Do not chase "tricks/tips/shortcuts". Chase "concepts"!
Do not chase "scores"; chase "learning". Scores will follow.
Do not chase "tricks/tips/shortcuts". Chase "concepts"!
Do not chase "scores"; chase "learning". Scores will follow.
"Confusing-cause-with-effect"
A favorite GMAT CR fallacy.
Example: Every time I dream, I sleep.
120
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.
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