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Is 0, Integer ??

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by CappyAA » Tue Nov 01, 2011 12:23 pm
0 is an integer - it is not positive or negative.
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by gmatblood » Tue Nov 01, 2011 12:32 pm
CappyAA wrote:0 is an integer - it is not positive or negative.
Sorry to bring in a DS question here,

If i and j are integers, is i + j an even integer?
(1) i < 10
(2) i = j

Answer is B for this one! But what if I and J are 0????

Note: This is a OG problem!
Am i missing something very basic???

TIA
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by user123321 » Tue Nov 01, 2011 12:35 pm
gmatblood wrote:
CappyAA wrote:0 is an integer - it is not positive or negative.
Sorry to bring in a DS question here,

If i and j are integers, is i + j an even integer?
(1) i < 10
(2) i = j

Answer is B for this one! But what if I and J are 0????

Note: This is a OG problem!
Am i missing something very basic???

TIA
zero is even number because when it is divided by 2, it leaves a remainder zero.
zero is neither +ve not -ve.

there is a huge difference in being +ve and being even number.

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by vaibhavgupta » Tue Nov 01, 2011 12:54 pm
gmatblood wrote:
CappyAA wrote:0 is an integer - it is not positive or negative.
Sorry to bring in a DS question here,

If i and j are integers, is i + j an even integer?
(1) i < 10
(2) i = j

Answer is B for this one! But what if I and J are 0????

Note: This is a OG problem!
Am i missing something very basic???

TIA
any number added twice will be even. (just keep that in mind) :)
If OA is A, IMO B
If OA is B, IMO C
If OA is C, IMO D
If OA is D, IMO E
If OA is E, IMO A

FML!! :/
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by CappyAA » Tue Nov 01, 2011 1:03 pm
user123321 wrote:
gmatblood wrote:
CappyAA wrote:0 is an integer - it is not positive or negative.
Sorry to bring in a DS question here,

If i and j are integers, is i + j an even integer?
(1) i < 10
(2) i = j

Answer is B for this one! But what if I and J are 0????

Note: This is a OG problem!
Am i missing something very basic???

TIA
zero is even number because when it is divided by 2, it leaves a remainder zero.
zero is neither +ve not -ve.

there is a huge difference in being +ve and being even number.

HTH
user123321
Yep - it can definitely be confusing. 0 is an even number but it is not positive or negative. Just remember that a positive number is any number greater than zero and a negative number is anything less than 0.
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by neelgandham » Tue Nov 01, 2011 2:32 pm
Perfectos !

By definition :

Positive numbers are written to the right of zero on a number line.
Negative numbers are written to the left of zero on a number line.

So, 0 is neither Positive nor Negative.

Any number which can be written of the form 2N where N is an Integer is an Even number. 2N = 0 when N =0 , hence even !

Even,Odd,Positive,Negative,Rational,Irrational,Square,Cubes,...Mathematics is so much fun !

Edited !
Last edited by neelgandham on Wed Nov 02, 2011 3:47 am, edited 1 time in total.
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by [email protected] » Tue Nov 01, 2011 9:25 pm
Just to bring some clarity again :

properties of zero

0 is neither positive nore negative integer
0 is even integer
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by gmatblood » Wed Nov 02, 2011 3:32 am
neelgandham wrote:Perfectos !

By definition :

Positive numbers are written to the right of zero on a number line.
Negative numbers are written to the left of zero on a number line.

So, 0 is neither even nor odd.

Any number which can be written of the form 2N where N is an Integer is an Even number. 2N = 0 when N =0 , hence even !

Even,Odd,Positive,Negative,Rational,Irrational,Square,Cubes,...Mathematics is so much fun !
Think, you got it wrong here!!
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by shankar.ashwin » Wed Nov 02, 2011 3:35 am
I think he meant neither +ve nor -ve. Anyways, hope you understood the concepts!!
gmatblood wrote:
neelgandham wrote:Perfectos !

By definition :

Positive numbers are written to the right of zero on a number line.
Negative numbers are written to the left of zero on a number line.

So, 0 is neither even nor odd.

Any number which can be written of the form 2N where N is an Integer is an Even number. 2N = 0 when N =0 , hence even !

Even,Odd,Positive,Negative,Rational,Irrational,Square,Cubes,...Mathematics is so much fun !
Think, you got it wrong here!!
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by gmatblood » Wed Nov 02, 2011 3:45 am
:) yup.. thanks everyone!!
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by neelgandham » Wed Nov 02, 2011 3:48 am
My Bad ! I meant 0 is neither +ve nor -ve. Edited the post accordingly.

Thanks for correcting Shankar/gmatblood !
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