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The number of news paper circulated in a class of 400

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afu2cool
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The number of news paper circulated in a class of 400 [#permalink] New post   23 Jun 2016, 21:00
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Quantity A
The number of newspaper circulated in a college with 400 students such that every student reads 5 newspaper and every newspaper is read by exactly 40 students.

Quantity B
50

Can you please help me understand this conundrum.
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soumya1989
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Re: The number of news paper circulated in a class of 400 [#permalink] New post   24 Jun 2016, 00:16
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Explanation

Both the quantities are the same.
If every student read 5 newspapers, total number of newspapers printed = 5 * 400 = 2000.

Now each type of newspaper should be read by exact 40 students. Therefore the number of types of newspaper needed = 2000/40 = 50.
Therefore, you need 50 types of newspaper with 40 copies of each type for 400 students.
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afu2cool
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Re: The number of news paper circulated in a class of 400 [#permalink] New post   24 Jun 2016, 05:01
Thank you for the explanation.
Quite understandable.

I have my gre on 26th, is there something that I can use to revise all the concepts??
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Re: The number of news paper circulated in a class of 400 [#permalink] New post   25 Jun 2016, 01:19
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afu2cool wrote:
Thank you for the explanation.
Quite understandable.

I have my gre on 26th, is there something that I can use to revise all the concepts??


You can use this PDF from ETS
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gre_math_review.pdf [785.56 KiB]
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GREMentalFlex
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Re: The number of news paper circulated in a class of 400 [#permalink] New post   04 Jan 2023, 14:58
Does anybody think this question is poorly worded? For example - I could easily interpret that the "number of newspaper circulated" means the total number of newspapers (all copies of all types) and NOT the total number of types. This would then be 2000 and the answer would be that 2000 is greater than 50. This would be a different answer! Can anyone explain why my interpretation is not appropriate?!
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gmatclubot
Re: The number of news paper circulated in a class of 400 [#permalink]
04 Jan 2023, 14:58
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