GMAT Question of the Day (Dec 25): Arithmetic and Sentence Correction

Published December 25, 2009 by dzyubam

Math (DS)

1000 dollars were converted into pounds and then the pounds were converted back into dollars at the same exchange rate of $x$ pounds per dollar. If a commission of $y\%$ is levied on any exchange operation, what dollar amount was left after the exchanges?

1. $x = 0.6$
2. $y = 5$

OA and Explanation

Verbal (SC)

Recent cosmological advances have made it possible to observe stellar objects that would only a decade ago have been unable to be viewed.

(A) it possible to observe stellar objects that would only a decade ago have been unable to be viewed
(B) it possible to observe stellar objects that would have been invisible only a decade ago
(C) possible that one can observe stellar objects invisible only a decade ago
(D) possible the observing of stellar objects that were not capable of being viewed only a decade ago
(E) possible the observing of stellar objects that only a decade ago would not have been able to be viewed

OA and Explanation

dzyubam

Published in GMAT Question of the Day