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11 Mar 2020, 01:42
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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:
15%
(low)
Question Stats:
83% (01:46) correct
17%
(02:04)
wrong
based on 129
sessions
History
Date
Time
Result
Not Attempted Yet
A certain telemarketing group called 100 random residents of Town T. At a later date, the group called 100 random residents of Town T and found that 5 had been called on the earlier date. If the percent of people in the first group called that were called again approximates the percent of the town’s population that was called in the first group, what is the approximate population of the town?
A) 500
B) 1,200
C) 1,500
D) 2,000
E) 2,400
A) 500
B) 1,200
C) 1,500
D) 2,000
E) 2,400
13 Mar 2020, 01:32
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The first two sentences tell us that there were two rounds of calling that happened; that a total of 200 residents were called of which 195 were unique. This is because, during the second round of calling, it was found that 5 had been called on the earlier date.
Now, let us analyse the 3rd sentence, which looks twisted but is actually easy to understand if you break it down.
“the percent of people in the first group called that were called again” – 5 people out of the first group of 100, were called again. This represents a percentage of 5%. Now what does this 5% represent?
“approximates the percent of the town’s population that was called in the first group” – This 5% represents the percent of the town’s population that was called in the first group. What does this mean? This means that 100 represents 5% of the town’s population.
If 100 represents 5% of the town population,
100 = \(\frac{1}{20}\) * Town population. Simplifying, we have town population = 100 * 20 = 2000.
The correct answer option is D.
When you have a word problem like this with a lengthy twisted sentence, do not get overwhelmed by it; do not try to interpret it in one go. Break it down into small parts, interpret the parts and finally bring the parts together.
Hope that helps!
Now, let us analyse the 3rd sentence, which looks twisted but is actually easy to understand if you break it down.
“the percent of people in the first group called that were called again” – 5 people out of the first group of 100, were called again. This represents a percentage of 5%. Now what does this 5% represent?
“approximates the percent of the town’s population that was called in the first group” – This 5% represents the percent of the town’s population that was called in the first group. What does this mean? This means that 100 represents 5% of the town’s population.
If 100 represents 5% of the town population,
100 = \(\frac{1}{20}\) * Town population. Simplifying, we have town population = 100 * 20 = 2000.
The correct answer option is D.
When you have a word problem like this with a lengthy twisted sentence, do not get overwhelmed by it; do not try to interpret it in one go. Break it down into small parts, interpret the parts and finally bring the parts together.
Hope that helps!
05 Aug 2024, 22:58
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Automated notice from GMAT Club BumpBot:
A member just gave Kudos to this thread, showing it’s still useful. I’ve bumped it to the top so more people can benefit. Feel free to add your own questions or solutions.
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A member just gave Kudos to this thread, showing it’s still useful. I’ve bumped it to the top so more people can benefit. Feel free to add your own questions or solutions.
This post was generated automatically.
