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# The nth terms of the two series are equal, then the value of n is

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Manager
Joined: 11 Dec 2013
Posts: 121
Location: India
GMAT Date: 03-15-2015
WE: Education (Education)
The nth terms of the two series are equal, then the value of n is  [#permalink]

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Updated on: 03 Feb 2019, 01:54
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Question Stats:

67% (00:45) correct 33% (00:40) wrong based on 10 sessions

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The nth terms of the two series are equal, then the value of n is

(1) The first series is 3 + 10 + 17 + ...
(2) The second series is 63 + 65 + 67 + ……

_________________

Originally posted by 4d on 02 Feb 2019, 20:06.
Last edited by Bunuel on 03 Feb 2019, 01:54, edited 1 time in total.
Renamed the topic and edited the question.
Manager
Joined: 05 Feb 2016
Posts: 168
Location: India
Concentration: General Management, Marketing
WE: Information Technology (Computer Software)
Re: The nth terms of the two series are equal, then the value of n is  [#permalink]

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02 Feb 2019, 22:39
4d wrote:
The $$nth$$ terms of the two series are equal, then the value of $$n$$ is
1) The first series is $$3 + 10 + 17 + …$$
2) The second series is $$63 + 65 + 67 + ……$$

nth term for first series $$3+(n-1)*7$$
nth term for second series $$63+(n-1)*2$$

nth term are equal $$3+(n-1)*7$$=$$63+(n-1)*2$$
solving n=13

option C
Intern
Joined: 27 Jan 2019
Posts: 4
GPA: 3.04
Re: The nth terms of the two series are equal, then the value of n is  [#permalink]

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02 Feb 2019, 23:09
As this series is continuous, there will be multiple answer for nth term so E is the answer
Re: The nth terms of the two series are equal, then the value of n is   [#permalink] 02 Feb 2019, 23:09
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