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Although large sedans make up only 17 percent of the cars on the road,
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Updated on: 16 Nov 2018, 03:55
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A
B
C
D
E
Difficulty:
95% (hard)
Question Stats:
24% (01:49) correct 76% (01:59) wrong based on 229 sessions
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Although large sedans make up only 17 percent of the cars on the road, they are the impacted cars in 25 percent of all rear-end collisions. On the other hand, sports cars, which represent 12 percent of cars on the road, are the impacted cars in only 6 percent of rear-end collisions.
Which of the following, if true, best explains the data described above?
(A) The large size of sedans makes their braking distance longer than average, increasing the chances that they will be unable to stop in time to avoid hitting an obstacle.
(B) Many drivers of large sedans drive more slowly than average drivers, increasing the probability that other drivers will follow too closely.
(C) Sports cars tend to have powerful brakes for their size, making their braking distance much shorter than that of most cars that follow them.
(D) The number of large sedans on the road has been steadily increasing in recent years.
(E) Large sedans are often driven by older drivers with slower reflexes.
Re: Although large sedans make up only 17 percent of the cars on the road,
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Updated on: 13 Nov 2018, 12:53
potterhead wrote:
Although large sedans make up only 17 percent of the cars on the road, they are the impacted cars in 25 percent of all rear-end collisions. On the other hand, sports cars, which represent 12 percent of cars on the road, are the impacted cars in only 6 percent of rear-end collisions.
Which of the following, if true, best explains the data described above?
(A) The large size of sedans makes their braking distance longer than average, increasing the chances that they will be unable to stop in time to avoid hitting an obstacle. (B) Many drivers of large sedans drive more slowly than average drivers, increasing the probability that other drivers will follow too closely. (C) Sports cars tend to have powerful brakes for their size, making their braking distance much shorter than that of most cars that follow them. (D) The number of large sedans on the road has been steadily increasing in recent years. (E) Large sedans are often driven by older drivers with slower reflexes.
Does 'impacted cars in rear-end collisions' mean that those cars are hit by some other car from the back?
If that is the case then Answer should be choice (A).
Posted from my mobile device
Originally posted by v12345 on 13 Nov 2018, 12:27.
Last edited by v12345 on 13 Nov 2018, 12:53, edited 1 time in total.
Re: Although large sedans make up only 17 percent of the cars on the road,
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14 Nov 2018, 14:52
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I have a hard time believing it is C. If that were true, then we should expect the sport cars to be rear-ended/impacted more since there is not enough braking distance for the cars behind them to stop.
Furthermore, A describes a front-end collision which is completely out of scope in the context of the passage.
Re: Although large sedans make up only 17 percent of the cars on the road,
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15 Nov 2018, 20:40
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B should be the answer. Answer choices A and C both describe a situation where the sedan or sports car rear end someone else, not where they are impacted. Answer choice B would cause sedans to be rear ended more as other cars would travel closer thus decreasing the time the other driver has to stop.
Although large sedans make up only 17 percent of the cars on the road,
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16 Nov 2018, 10:45
Hard for me to believe the OA. If sport cars have strong brakes then the probability of them getting hit from rear is much more. Should be B as it correctly gives the reason for Sedan's having more rear collisions.
Re: Although large sedans make up only 17 percent of the cars on the road,
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16 Nov 2018, 21:57
potterhead wrote:
Although large sedans make up only 17 percent of the cars on the road, they are the impacted cars in 25 percent of all rear-end collisions. On the other hand, sports cars, which represent 12 percent of cars on the road, are the impacted cars in only 6 percent of rear-end collisions.
Which of the following, if true, best explains the data described above?
(A) The large size of sedans makes their braking distance longer than average, increasing the chances that they will be unable to stop in time to avoid hitting an obstacle.
(B) Many drivers of large sedans drive more slowly than average drivers, increasing the probability that other drivers will follow too closely.
(C) Sports cars tend to have powerful brakes for their size, making their braking distance much shorter than that of most cars that follow them.
(D) The number of large sedans on the road has been steadily increasing in recent years.
(E) Large sedans are often driven by older drivers with slower reflexes.
Re: Although large sedans make up only 17 percent of the cars on the road,
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16 Nov 2018, 22:55
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The answer choices do not make sense to me . A and C are both plausible but they each explain one of the facet of two. This practice is wrong in explain the discrepancy. If we choose C , we can argue that the same may be the case for trucks. We cannot make our assumptions regarding the braking system of trucks. similarly, in A we are told about trucks, but what about sports cars??? even they may have ineffective brakes. also both of them use " for their size" , so either explanation is credible , but none are independently sufficient. This is the case where the test makers illogically try to exploit the term "best explains" ... This question is WRONG
Although large sedans make up only 17 percent of the cars on the road,
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17 Nov 2018, 00:49
Meaning Rear-end collision: Basically this means a car hits another car in front of it. Impacted car in a rear end collision will be the car that got hit at the rear-end. Braking distance is the distance traveled after application of break and before the car stops. Analysis of argument: The argument says that, although large sedans make up only 17 percent of the cars on the road, they are the impacted cars in 25 percent of all rear-end collision. On the other hand, though sports cars represent 12 percent of cars on the road, they are the impacted cars in only 6 percent of rear-end collisions. The question expects us to reason for the data observed for sports cars. While it is expected that sports car will be say closer to 25% of impacted cars in rear-end collisions as they make up almost same percentage of cars on the road as sedans, sports car make less percentage of impacted cars in rear-end collisions. This is the paradox that has to be resolved.
Option Analysis: A) This is talking about stopping in time to avoid hitting the obstacle. This statement will make more sense if the passage is talking about front-end collisions, but the argument is about rear-end collisions. Clearly, this option is irrelevant. B)This is talking about one feature that will increase the probability of rear-end collision in sedan. This will resolve the paradox. C)This is talking about braking distance of sports cars compared to breaking distance of other cars that follow them. If the other cars that follow have larger braking distance, the chances are more like that they will hit the rear-end of sports car. This does not resolve the paradox. D)Out of scope. We are not concerned about the number of sedans. E)Out of scope. If the drivers have slower reflexes then it is a concern for front-end collision and not rear-end.
Re: Although large sedans make up only 17 percent of the cars on the road,
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19 Feb 2019, 21:14
Hi Experts,
Can you please explain this question? IMO answer should be B as both A & C talks about brakes and the braking distance, which in no way can be involved for a rear-end collision. Only B explains the fact that as sedans move slowly than the average, the probability of other cars hitting a sedan from back increases. So I feel that's the correct answer.
gmatclubot
Re: Although large sedans make up only 17 percent of the cars on the road,
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19 Feb 2019, 21:14
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24% (01:49) correct 
