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by diebeatsthegmat » Thu Jun 30, 2011 10:00 am
In the Business program at a university, all candidates for the MBA in International Business who entered the program after 1990 took a seminar on Microeconomics, and all candidates for the MBA in International Business who entered the program after 1994 took a seminar on Applied Economics.

If a student in the Business program described above took a seminar on Microeconomics but did not take a seminar on Applied Economics, which of the following must be true?

A. The student entered the Business program prior to 1995.

B. The student entered the Business program after 1990 and prior to 1995.

C. If the student was a candidate for the MBA in International Business, then the student entered the program prior to 1995.

D.If the student was a candidate for the MBA in International Business, then the student entered the program prior to 1991.

E. If the student was a candidate for the MBA in International Business, then the student entered the program after 1990 and prior to 1995.

th[spoiler]ey said the answer is C and i think the answer must be E. can you please explain why the answer is C?[/spoiler]
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by Frankenstein » Thu Jun 30, 2011 10:31 am
Hi,
Tricky question. Without OA, I would have chosen E as well.
We know that both C and E satisfy the condition : the student is enrolled before 1995.
There can be come students prior to 1990(when there were perhaps no mandatory courses). So, few of them might have taken Microeconomics and not Applied Economics right?
So, C is better.
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by deepsok » Thu Jun 30, 2011 12:59 pm
What I understood from experts that, real GMAT will not keep any ambiguity in correct answer choices.

These answer choices here seems to be confusing.Not a good question for GMAT.(If my reasoning is correct)

So for this question ,I will go with C and E both :))
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by diebeatsthegmat » Thu Jun 30, 2011 4:36 pm
Frankenstein wrote:Hi,
Tricky question. Without OA, I would have chosen E as well.
We know that both C and E satisfy the condition : the student is enrolled before 1995.
There can be come students prior to 1990(when there were perhaps no mandatory courses). So, few of them might have taken Microeconomics and not Applied Economics right?
So, C is better.
what i have thought about C after reading the text is the question what about the time prior to 1990??? what C says is the time prior 1995 so the time before 1990 should be taken cared and that time is not mentioned in the text...:( you get what i am saying?
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by Frankenstein » Thu Jun 30, 2011 8:57 pm
diebeatsthegmat wrote:
Frankenstein wrote:Hi,
Tricky question. Without OA, I would have chosen E as well.
We know that both C and E satisfy the condition : the student is enrolled before 1995.
There can be come students prior to 1990(when there were perhaps no mandatory courses). So, few of them might have taken Microeconomics and not Applied Economics right?
So, C is better.
what i have thought about C after reading the text is the question what about the time prior to 1990??? what C says is the time prior 1995 so the time before 1990 should be taken cared and that time is not mentioned in the text...:( you get what i am saying?
Hi,
The keyword in the question is : which of the following must be true?
What is the guarantee that any such guy must be after 1990. There is nothing like that. There can be some guy from 1980 batch who took seminar on Microeconomics but did not take Applied Economics. So, if you select that student and check his details, he won't be after 1990 but definitely will be before 1994. So, that is the reason. C is the answer.
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by amit2k9 » Thu Jun 30, 2011 9:27 pm
C consider a student who has entered the school in the year 1985.This means it is prior to 1995.But this does not mean that the student must have taken Seminar in Microeconomics as its not being mentioned in the argument. Hence POE.

Choice is between B and E here as the limits is correct.

I went for B as the student has been mentioned as a student of IB in the question stem.
However,
https://www.scorechase.com/gmat/archive/t-8827.html Says its an E.
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by Frankenstein » Thu Jun 30, 2011 9:43 pm
amit2k9 wrote:C consider a student who has entered the school in the year 1985.This means it is prior to 1995.But this does not mean that the student must have taken Seminar in Microeconomics as its not being mentioned in the argument. Hence POE.
No one said a student from 1985 must have taken seminar in Microeconomics. But, what about the student from 1985 batch who has taken seminar in Microeconomics and not Applied Economics. Does he fall into the must category of between 1990 and 1995?No. But, he definitely falls into the must category of prior to 1995.
Btw, B is not a contender. Premise talks about all MBA candidates. There can be other candidates. For example, there can be some non-MBA students who take seminar on Microeconomics and not on Applied Economics even after 1995. So, they do not fall into must category of prior to 1994 only.
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by amit2k9 » Thu Jun 30, 2011 9:58 pm
Frankenstein wrote: But, what about the student from 1985 batch who has taken seminar in Microeconomics and not Applied Economics. Does he fall into the must category of between 1990 and 1995?No. But, he definitely falls into the must category of prior to 1995. -- essentially you are assuming here that the course in microeconomics was there prior to 1995.This has not been stated in the argument though.
'If a student in the Business program described above' -- essentially i made an over assumption that the student belongs to the MBA program. That was a flaw.
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by Sanjay2706 » Thu Jun 30, 2011 10:31 pm
Yes I think we can't make an assumption that the student would have joined after 1990.
In all possibilities, it could have been 1989 as well.
Hence, E is the right answer.
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by Frankenstein » Thu Jun 30, 2011 10:49 pm
Sanjay2706 wrote:Yes I think we can't make an assumption that the student would have joined after 1990.
In all possibilities, it could have been 1989 as well.
Hence, E is the right answer.
You mean to say 'C'? Because your reason supports C.
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by diebeatsthegmat » Fri Jul 01, 2011 12:24 am
Frankenstein wrote:
diebeatsthegmat wrote:
Frankenstein wrote:Hi,
Tricky question. Without OA, I would have chosen E as well.
We know that both C and E satisfy the condition : the student is enrolled before 1995.
There can be come students prior to 1990(when there were perhaps no mandatory courses). So, few of them might have taken Microeconomics and not Applied Economics right?
So, C is better.
what i have thought about C after reading the text is the question what about the time prior to 1990??? what C says is the time prior 1995 so the time before 1990 should be taken cared and that time is not mentioned in the text...:( you get what i am saying?
Hi,
The keyword in the question is : which of the following must be true?
What is the guarantee that any such guy must be after 1990. There is nothing like that. There can be some guy from 1980 batch who took seminar on Microeconomics but did not take Applied Economics. So, if you select that student and check his details, he won't be after 1990 but definitely will be before 1994. So, that is the reason. C is the answer.
yeah, dear,
the question is a kind of " must be true" thus if its C, the logic is going beyon the text...the text jsut care of time after 1990 till 1994 ( possible 1994 or a little time before it) for candidates for MBA international microeconomic and the time after 1994 ( is 1995) for candidates for applied economic....
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