GMAT Question of the Day (Mar 17): Rate Problem and Sentence Correction

By - Mar 17, 02:00 AM Comments [0]

Math (PS)

Two trains continuously travel between Washington DC and Baltimore, which is 120 miles away. They start simultaneously, train A at Washington and train B at Baltimore, and run at 30 and 90 mph respectively. The station turnaround times are negligible. What is the distance between the point where the trains meet for the first time and the point where they meet for the second time?

(A) 0
(B) 30 miles
(C) 60 miles
(D) 90 miles
(E) 120 miles

Question Discussion & Explanation
Correct Answer - B - (click and drag your mouse to see the answer)

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Verbal (SC)

Art historians are using a process known as infrared scanning in analyzing the Mona Lisa to determine if it has been altered since completion and if Leonardo da Vinci first sketched the figure in black, as done by many artists of the time.

(A) if it has been altered since completion and if Leonardo da Vinci first sketched the figure in black, as done
(B) if it had been altered since completion and if Leonardo da Vinci first sketched the figure in black, a practice employed
(C) whether it has been altered since completion and whether Leonardo da Vinci first sketched the figure in black, a practice employed
(D) whether it was altered since completion and whether Leonardo da Vinci first sketched the figure in black, as was done
(E) whether it had been altered since completion and whether Leonardo da Vinci first sketched the figure in black, a practice done

Question Discussion & Explanation
Correct Answer - C - (click and drag your mouse to see the answer)

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