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.
"Confusing-cause-with-effect"
A favorite GMAT CR fallacy.
Example: Every time I dream, I sleep.
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".
1-week gap in prep hurts your progress by 3-weeks.
In DS, "combine" the two statements only when each statement fails alone.
Q. If X is an integer, is X a multiple of 12?(1) Two of the factors of X are 5 and 7.(2) X is a product of two odd integers.
The answer is not C. The answer is B.
"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".
Irrational: Can’t be presented in p/q form, where p and q are integers. Ex: √3, Pi
Rational: Can be presented in p/q form, where p and q are integers. Ex: 2, 0.45, 3/7, etc.
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.
Key to solving "para-completion" questions on CR:
- Prepare a mind-map.- Follow the chain-of-thoughts.- Eliminate four choices to reach a choice that best completes the complete chain of thoughts.-- Beware: Consider the "complete" of chain of thoughts.--- Not just the "last sentence".
Don't leave mocks for the end- it's a common mistake.Take a mock every week.
1-week gap in prep hurts your progress by 3-weeks.
Don't leave mocks for the end- it's a common mistake.Take a mock every week.
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Jack wishes that he was an athlete. : IncorrectJack wishes that he were an athlete. : Correct
A subjunctive mood construction - (wish + plural form of verb)
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