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).
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".
Even x Even = EvenEven x Odd = EvenOdd x Odd = Odd
Even + Even = EvenEven + Odd = OddOdd + Odd = EvenOdd + Odd = Even
Semicolons are used for joining two independent clausesAmy sings; she enjoys it. - Correct!
Don't exhaust official material early- it's a common mistake.Save it for the last few weeks.
RCs make or break your GMAT.Practice RCs everyday!
1-week gap in prep hurts your progress by 3-weeks.
Angle between a tangent and radius is 90 degrees.
120
Approach for CR boldface questions:
Step 1: Identify the conclusion.Step 2: Link the bold part(s) with the conclusion.Step 3: Know what to expect from the correct answer choice.Step 4: Eliminate four choices.
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