GMAT Question of the Day (Jan 28): Arithmetic and Sentence Correction

Math (DS)

$m$ and $n$ are positive integers. Is the remainder of $\frac{10^m + n}{3}$ bigger than the remainder of $\frac{10^n + m}{3}$ ?

1. $m > n$
2. The remainder of $\frac{n}{3}$ is $2$

OA and Explanation

Verbal (SC)

The woodland sub-species were in isolation from contact with humans longer than either their marsh cousins or the tree-dwelling sub-species.

(A) in isolation from contact with humans longer than
(B) isolated from contact with humans longer than
(C) in isolation from contact with humans longer than were
(D) isolated from contact with humans longer than were
(E) in isolation and without contacts with humans longer than

OA and Explanation

Read the full article: GMAT Question of the Day (Jan 28): Arithmetic and Sentence Correction