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".
Don't exhaust official material early- it's a common mistake.Save it for the last few weeks.
The error of comma splice occurs when two independent clauses are joined using a comma.Example: Amy sings, she enjoys it.Correct: Amy sings; she enjoys it.
Trapezium is a quadrilateral with one pair of opposite sides parallel.Area: ½(sum of parallel sides) x height
If a trapezium's other two sides are also parallel, it becomes a parallelogram.Area: base x height
The error of comma splice occurs when two independent clauses are joined using a comma.Example: Amy sings, she enjoys it.Correct: Amy sings; she enjoys it.
"Confusing-correlation-with-causation"
A favorite GMAT CR fallacy.
Example: Grandma sneezed, so a tornado hit Nebraska.
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.
"Like" is used for "comparing nouns"."As" is used for "comparing actions"."Such as" is used for "giving examples".
120
Even x Even = EvenEven x Odd = EvenOdd x Odd = Odd
Even + Even = EvenEven + Odd = OddOdd + Odd = EvenOdd + Odd = Even