From any point on a plane, only two tangents can be drawn on a circle.Length of the two tangent is equal.
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.
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.
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.
Do not chase "tricks/tips/shortcuts". Chase "concepts"!
Do not chase "scores"; chase "learning". Scores will follow.
A fraction will terminate if its denominator has no prime factor other than 2 or 5.
17/160Prime factors of "160" are "2" and "5". So, this fraction WILL terminate.
13/480One of the prime factors of "480" is "3".So, this will NOT terminate.
You should regularly revisit SC concepts.Make SC Stage-1 videos and GMAT Shots your good friends!
Don't leave mocks for the end- it's a common mistake.Take a mock every week.
60% of the learning comes from analyzing mistakes!
Don't leave mocks for the end- it's a common mistake.Take a mock every week.
"whether" generally wins over "if" on GMAT SC.
I am not sure whether it will rain today. : CorrectI am not sure if it will rain today. : Incorrect
120
"Confusing-correlation-with-causation"
A favorite GMAT CR fallacy.
Example: Grandma sneezed, so a tornado hit Nebraska.
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