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10 Jul 2017, 07:28
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
(N/A)
Question Stats:
50% (02:20) correct
50%
(01:37)
wrong
based on 2
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Is n an integer?
(1) 2n is an integer.
(2) 5n is an integer.
Please explain your answers
(1) 2n is an integer.
(2) 5n is an integer.
Please explain your answers
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Data Sufficiency (DS) Forum
Still interested in this question? Check out the "Best Topics" block below for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!
10 Jul 2017, 07:38
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Is n an integer?
1. 2n is an integer.
n could be 1 or 1/2. In one case, the number n is an integer, and in another option, it is not.
Insufficient
2. 5n is an integer.
n could be 1 or 1/5. In one case, the number n is an integer, and in another option, it is not.
Insufficient
On combining information from both the statements, we can certainly say that the only option when
2n and 5n are both integers, n has to be integer(Sufficient) (Option C)
Hope that helps!
1. 2n is an integer.
n could be 1 or 1/2. In one case, the number n is an integer, and in another option, it is not.
Insufficient
2. 5n is an integer.
n could be 1 or 1/5. In one case, the number n is an integer, and in another option, it is not.
Insufficient
On combining information from both the statements, we can certainly say that the only option when
2n and 5n are both integers, n has to be integer(Sufficient) (Option C)
Hope that helps!
10 Jul 2017, 08:00
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Shilpy1
Hi Shilpy1,
Suggestion: Please search on google or use gmat cub search before posting a question. It keeps away duplicate posts away.
This question has already been discussed here : https://gmatclub.com/forum/is-n-an-integer-130390.html . Bunuel has already provided the best and easy solution.
To your help, here are rules of posting. Please have a go thru:
rules-for-posting-please-read-this-before-posting-133935.html
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Data Sufficiency (DS) Forum
Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!
