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20 Apr 2013, 18:03
Kudos
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
73% (01:16) correct
27%
(01:30)
wrong
based on 460
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Most people erroneously believe that airplanes are dangerous modes of transport. Statistics clearly reveal that more people are killed every year in road accidents than in air crashes. So travelling by airplanes is in fact safer than travelling by a car or a bus.
Which of the following, if true, most strongly supports the above explanation?
(A) Airlines across the globe spend significant amounts of money every year on adding new safety features to their airplanes
(B) There is no country in the world in which the number of people killed in air crashes exceeds the number of people killed in road accidents
(C) In a recently conducted survey by an independent agency, a majority of the respondents stated that they felt safer while travelling by air than while travelling by road
(D) The number of people who travel by airplanes every year is roughly equal to the number of people who travel by road.
(E) The technology used in modern aircrafts is much more sophisticated than that used in most forms of road transport.
Which of the following, if true, most strongly supports the above explanation?
(A) Airlines across the globe spend significant amounts of money every year on adding new safety features to their airplanes
(B) There is no country in the world in which the number of people killed in air crashes exceeds the number of people killed in road accidents
(C) In a recently conducted survey by an independent agency, a majority of the respondents stated that they felt safer while travelling by air than while travelling by road
(D) The number of people who travel by airplanes every year is roughly equal to the number of people who travel by road.
(E) The technology used in modern aircrafts is much more sophisticated than that used in most forms of road transport.
29 Jan 2019, 23:37
Kudos
Bookmarks
carcass
More people are killed every year in road accidents than in air crashes.
So, airplanes are safer than car or bus.
We are looking for support for our conclusion (which is airplanes are safer than car or bus)
The first thing that comes to mind with the given premise is that what if very few travel by airplanes and that is why the number of deaths is lower.
Say, 10 people are killed every year in airplane accidents but 20 are killed on road. But if 100 people travel by airplanes and 1000 people travel by road, then it doesn't make sense that airplanes are safer. Out of 100, 10% are getting killed in airplanes while out of 1000, only 2% are getting killed on road.
Hence the total number of people travelling by plane and by road are important figures.
(A) Airlines across the globe spend significant amounts of money every year on adding new
safety features to their airplanes
Doesn't tell us how airplanes are safer than cars. Just says that airplane companies are trying to make planes safer.
(B) There is no country in the world in which the number of people killed in air crashes exceeds
the number of people killed in road accidents
We already know that more people are killed on the road. This doesn't add much weight to our argument.
(C) In a recently conducted survey by an independent agency, a majority of the respondents
stated that they felt safer while travelling by air than while travelling by road
How the people feel is irrelevant. We are dealing with actual numbers for which is a safer mode of transport.
(D) The number of people who travel by airplanes every year is roughly equal to the number of
people who travel by road.
This is what we are looking for - the actual numbers. Number of people who travel by airplanes is about the same as the number of people who travel by road. Hence if fewer people are killed while travelling by air, it sure means that airplanes are safer.
(E) The technology used in modern aircrafts is much more sophisticated than that used in most
forms of road transport.
How modern technology compares to older, we can't say. On one hand, it could make everything more convenient, on the other it could make everything more complex. Usually, modern technology is assumed to be safer but the argument gives no such indication.
Answer (D)
General Discussion
20 Apr 2013, 18:09
Kudos
Bookmarks
IMO answer is D.
The answer that validates the argument (statistics) would support the conclusion. Only D clearly indicates that the comparison is appropriate in terms of numbers.
The answer that validates the argument (statistics) would support the conclusion. Only D clearly indicates that the comparison is appropriate in terms of numbers.
