GMAT Question of the Day (Apr 6): Rate Problem and Sentence Correction

Math (PS)

The train consists of 6 carriages, 20 meters long each. The gap between the carriages is 1 meter. If the train is moving at a constant speed of 60 kmh, how much time will it take the train to run through a 1 kilometer tunnel?

(A) $1\frac{1}{8}$ minutes
(B) $1\frac{1}{2}$ minutes
(C) $1\frac{3}{4}$ minutes
(D) 2 minutes
(E) $2\frac{1}{4}$ minutes

OA and Explanation

Verbal (SC)

The European Economic Community exported just under $400 billion in goods in 1988, sixty percent more than the United States did and nearly twice as much as Japan’s exports.

(A) the United States did and nearly twice as much as Japan’s exports
(B) the United States’ and nearly double what the Japanese exports were
(C) the United States exported and nearly twice as much as the Japanese did
(D) what the United States did and nearly twice as much as Japan’s exports
(E) what the United States exported and nearly double the Japanese exports

OA and Explanation

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