GMAT Question of the Day

September 17, 2013



Every weekday, GMAT Hacks publishes a realistic GMAT practice question. In general, you'll see Quant problems on Monday, Wednesday, and Friday, and Verbal questions on Tuesday and Thursday. You'll always be able to find them at

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Today's Practice GMAT Question:

Advertisement in the Harptown Train Station:
The Harptown Transport Society reports that the Silver Bullet train has the fewest delays per rush-hour period of any high-speed train. This shows that the Silver Bullet train is one of the most efficient trains currently in use.
Which of the following, if true, most seriously weakens the argument in the advertisement?
(A) The Harptown Transport Society report listed many non-high-speed trains in other metropolitan areas that were more frequently delayed than the Silver Bullet train.
(B) In recent years more travelers have regularly ridden the Silver Bullet train than any other high-speed train.
(C) High-speed trains are more likely to be delayed during rush hour than any other type of train.
(D) The difference between the number of delays on the Silver Bullet train and that for other high-speed trains is quite pronounced.
(E) The Harptown Transport Society updates its findings regarding train delays only once a year.


Click to show answer (opens in new window)


Need more work in this area? In Total GMAT Verbal, there is an entire chapter, including practice problems, that covers Weaken questions.

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About the author: Jeff Sackmann has written many GMAT preparation books, including the popular Total GMAT Math, Total GMAT Verbal, and GMAT 111. He has also created explanations for problems in The Official Guide, as well as 1,800 practice GMAT math questions.

Total GMAT Verbal

The comprehensive guide to the GMAT Verbal section. Recognize, dissect, and master every question type you'll face on the test. Everything you need, all in one place, including 100+ realistic practice questions.
Click to read more.