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# Arithmetic Progession

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Intern
Joined: 14 Mar 2018
Posts: 1

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14 Mar 2018, 04:22
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Alphabetically if it is to arrange the department in ascending order it will look like this; Accounting,Business administration,Economics,Political science,Public administration,Sociology.Assuming those above mentioned departments are in AP,where Accounting Department is represented by 27,Business administration is represented by 24,if many departments are represented by 21,Political science is represented by 18,Public administration is represented by 15 and lastly sociology is represented with 12.
a-Find the common difference in which they assume AP
b-Assuming there 58 departments within Basug and it is all within the AP find the 45th term of the AP

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Math Expert
Joined: 02 Sep 2009
Posts: 58340
Re: Arithmetic Progession  [#permalink]

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14 Mar 2018, 08:01
Abdulfatah wrote:
Alphabetically if it is to arrange the department in ascending order it will look like this; Accounting,Business administration,Economics,Political science,Public administration,Sociology.Assuming those above mentioned departments are in AP,where Accounting Department is represented by 27,Business administration is represented by 24,if many departments are represented by 21,Political science is represented by 18,Public administration is represented by 15 and lastly sociology is represented with 12.
a-Find the common difference in which they assume AP
b-Assuming there 58 departments within Basug and it is all within the AP find the 45th term of the AP

Posted from my mobile device

Posted from my mobile device

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--== Message from the GMAT Club Team ==--

THERE IS LIKELY A BETTER DISCUSSION OF THIS EXACT QUESTION.
This discussion does not meet community quality standards. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.

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Re: Arithmetic Progession   [#permalink] 14 Mar 2018, 08:01
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# Arithmetic Progession

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