(n+1)^3 – ((n^3)+1) GMAT cubic binomial expansion

3 months ago

If n is a positive integer, which of the following could be equal to ((n+1)^3)−((n^3)+1)? A. 7^3(6^3−1) B. 7^3(6^3+1) C.…

If 3x – 2y = 32 and sqrt (3x) – sqrt (2y) = 4 GMAT

3 months ago

This looks like something where we ought to be able to square the second equation as it stands--but that will…

Units question: Solomon’s truck gets 24 mpg GMAT

3 months ago

Solomon's truck gets 24 mpg GMAT In this case, you need to look at the units as mpg/lbs or mpg/mph,…

Last year Comfort Airlines had twice as many delayed flights GMAT

3 months ago

Last year Comfort Airlines had twice as many delayed flights GMAT In an explain the apparent contradiction question, you need…

To reduce waste of raw materials, the government of Sperland GMAT

4 months ago

Weaken questions almost always get broken by asking "how is it possible that the Conclusion is false while the facts…