From any point on a plane, only two tangents can be drawn on a circle.Length of the two tangent is equal.
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".
In DS, "no" can very well be an answer.
Question: Is X = 7?(1): X is not a prime number.(1) is sufficient. Because (1) leads to "No, X is not equal to 7".
The trainer commanded the cadet that he performs the drill. : IncorrectThe trainer commanded the cadet that he perform the drill. : Correct
A subjunctive mood construction - (subject + bossy verb + that + base form of verb)
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.
Practice RCs, everyday!The skill will help you in all sections and question types!!
Spot the error: Teacher taught that the Earth revolved around the sun.
"revolved" is not correct. It must be "revolves".(Universal truths are always conveyed in simple present tense).
"Comparing percentage with absolute numbers"- The fallacy when percentage/proportion is compared with absolute data.
A favorite GMAT CR fallacy.
Example: Jack improved his score by 200%.Inference: Jack performed well. - Incorrect
While solving an RC, please think from the "author's point of view".
- Don't let your own opinion or general knowledge affect your thought process.
Do not chase "tricks/tips/shortcuts". Chase "concepts"!
Do not chase "scores"; chase "learning". Scores will follow.
"regard as" : Correct"regard to be" : Incorrect"regard" : Incorrect
Jack regards Tim as a genius. : Correct
120
The trainer commanded the cadet that he performs the drill. : IncorrectThe trainer commanded the cadet that he perform the drill. : Correct
A subjunctive mood construction - (subject + bossy verb + that + base form of verb)
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