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If n is an odd integer, which of the following is an even integer?


(A)    n3
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Introduction to Nova GRE Math

 
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Posted: 04/12/2012 19:08
What if you choose 3 to represent N. would problem D equal 18 ?
Arcadia
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Posted: 04/12/2012 21:10
William, yes, choice D would be =18 if you choose n=3.
 
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Posted: 05/01/2012 11:08
This question is so awful. Why do you have to respond with two answers when the question clearly states which "one" of these is an integer. Absolutely love the wording. Hopefully the actual GRE doesn't do that.
 
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Posted: 05/15/2012 13:18
If n is -3, what about the consequence of choice D?
Arcadia
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Posted: 05/16/2012 13:25
Carey, that will make D = 0, which is an even integer. In case you worry about whether 0 can be considered an even number, please see http://en.wikipedia.org/wiki/Parity_of_zero
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Posted: 05/24/2012 11:56
Thanks a lot. I understand.
 
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Posted: 05/24/2012 07:21
Help!
The length of one side of a triangle is 12.The length of the other side is 18.Which of the following could be the perimeter of the triangle?
A.30
B.36
C.44
D.48
E.60
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Posted: 05/24/2012 12:03
The length of third line is from 6 to 30( this is a principle about triangle which is the third line is longer than the minus of the two others and the third line is shorter than the sum of the two others.). So the perimeter of this triangle is between 37 to 59.
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Posted: 01/21/2013 11:56
Bigger than the difference, and smaller than the sum of the two sides. 18-12>x
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Posted: 11/03/2013 23:43
the third side length should satisfy the condition that bigger than 18-12=6 smaller than 18+12=30 so the answer should be bigger than 36 smaller than 60
Arcadia
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Posted: 05/24/2012 16:08
Carey, thanks for the response. Good answer. I would modify your answer just a little, to: between just slightly above 36, and just slightly below 60. It doesn't change the answer choices, though.

Shante, which problem set is this? Visualize a clock with the short hand being 12, and the long hand being 18. In one extreme, a triangle is formed at almost or just past 12 o'clock by the hands and the side in question. In this case, the length of the third side will be just slightly greater than 6.

In another extreme, a triangle is formed at almost or just past 6 o'clock by the hands and the side in question. In this case, the length of the third side will be just slightly lower than 30.
 
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Posted: 05/25/2012 03:02
Thanks a lot I understand now. The third side must be greater than the difference of 18-12=6 and less than 12+18=30. So the perimeter must be greater than 36 and less than 60.
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Posted: 05/25/2012 14:59
Exactly, this is what I'm talking about. Have fun, dude.
Contributor
 
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Posted: 05/25/2012 03:21
Shante, correct. Now, can you tell us which problem set did you find the question in originally? Because you could have posted your question there. Cheers.
 
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Posted: 05/25/2012 18:27
Thnx Carey.
 
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Posted: 07/29/2012 14:06
Clearly D & F is not one .
 
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Posted: 08/26/2012 21:07
Hello I need a refresher about odd and even integers? Could you help me?
Contributor
 
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Posted: 08/26/2012 21:49
Danielle, even integers are whole numbers that are divisible by 2, including 0 and negative ones, i.e.: ..., -6, -4, -2, 0, 2, 4, 6, 8, ... and so on. Odd integers are whole numbers that are not divisible by 2, i.e., the ones in between even integers: ... -5, -3, -1, 1, 2, 3, 5, 7, ... and so on.
 
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Posted: 10/25/2012 21:50
There is no acknowledgment for the miswording of this question, despite there being two other comments. This question should be corrected, as it is misleading. Answers should apply to this question only, and not to others as well.
 
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Posted: 01/09/2013 16:26
Is there a simple way to find the answer without having to go through several different numbers to be certain the integer will be even?
Sets of rules?
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Posted: 08/25/2013 11:39
an even number+(or-or*) an even number=an even number
an even number +(or-)an odd number=an odd number
an odd number+(or-or*)an odd number= an odd number
an even number* an odd number= an even number
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Posted: 10/15/2013 08:39
How can addition & subtraction of 2 odd numbers be odd?
Ex: 3+3=6 which is even..try d same with 3+1,5+5
Similarly odd-odd is even..ex: 3-1 = 2
 
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Posted: 09/16/2014 13:58
So choice D is also correct. Shouldnt be only one correct answer? Also i mark D and the app said that is wrong, at least ot shoul mark it as correct
 
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Posted: 09/27/2014 06:03
What is considered an integer