Pi doesn't define circumference. It's the other way around.
Ratio of circumference and diameter is always constant. This constant is "Pi".
"Confusing-cause-with-effect"
A favorite GMAT CR fallacy.
Example: Every time I dream, I sleep.
"Do so" is the correct usage when "so" refers to an action."Do it" is the correct usage when "it" refers to a noun.
As "do" generally refers to actions, "do so" is more often correct than "do it".
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)
RCs make or break your GMAT.Practice RCs everyday!
Rhombus is a quadrilateral with all sides equal.Area: 1/2 x diagonal 1 x diagonal 2
If angles of a rhombus become equal, a rhombus becomes a square.- And the diagonals become equal.
1-week gap in prep hurts your progress by 3-weeks.
"Inference statements" on CR:
- A statement that can be derived from the information within the passage. -- Without the need for any assumptions or extrapolations.
Don't exhaust official material early- it's a common mistake.Save it for the last few weeks.
While attempting AWA, type the first and the last paragraphs first.
- This will ensure that your essay will look 'complete', even if you run out of time.- This will give you more time to think about the middle paragraphs.
Similar Triangles
All angles are equal.Hence, shape is the same. Size may differ.All corresponding sides, medians, and angle bisectors are in the same ratio; say "k".Areas are in ratio "k^2".
120
"regard as" : Correct"regard to be" : Incorrect"regard" : Incorrect
Jack regards Tim as a genius. : Correct
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