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x and y are consecutive positive integers and x>y . Which

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Director
Director
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Joined: 22 Aug 2007
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x and y are consecutive positive integers and x>y . Which [#permalink] New post 12 Oct 2007, 23:23
x and y are consecutive positive integers and x>y . Which of the following represents all the possible values of y?

A) y>=0
B) y>0
C) y>1
D) y>7
E) y>8

thank you.
VP
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 [#permalink] New post 12 Oct 2007, 23:35
Hello Irina,

y = x-1

Lets assume x = 2 then y=1

Choices e,d,c, are wrong

Since y has to be positive then y cannot be equal to zero.

The answer is (B)

But I'm guessing this is what you already got.

:)
Director
Director
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Re: i think AO is wrong, plz check it [#permalink] New post 12 Oct 2007, 23:40
IrinaOK wrote:
x and y are consecutive positive integers and x>y . Which of the following represents all the possible values of y?

A) y>=0
B) y>0
C) y>1
D) y>7
E) y>8

thank you.


B. Y has to be +ve, so Y is > 0.


we could make it little more interesting:

x and y are consecutive positive integers and x>y. Which of the following represents all the possible values of x?

A) x > -1
B) x > = 0
C) x > 0
D) x > 1
E) x > 2
Director
Director
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Joined: 22 Aug 2007
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Kudos [?]: 13 [0], given: 0

 [#permalink] New post 12 Oct 2007, 23:40
KillerSquirrel wrote:
Hello Irina,

y = x-1

Lets assume x = 2 then y=1

Choices e,d,c, are wrong

Since y has to be positive then y cannot be equal to zero.

The answer is (B)

But I'm guessing this is what you already got.

:)


Hi,

AO is B.

By solving the inequality I also got B, but the changed to C, cuz y>0 includes fractions between zero and 1, meanwhile the stem says y and x are intengers. Wud appreciate your further comments.
Director
Director
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Schools: University of Chicago, Wharton School
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Kudos [?]: 52 [0], given: 7

 [#permalink] New post 12 Oct 2007, 23:41
IrinaOK wrote:
KillerSquirrel wrote:
Hello Irina,

y = x-1

Lets assume x = 2 then y=1

Choices e,d,c, are wrong

Since y has to be positive then y cannot be equal to zero.

The answer is (B)

But I'm guessing this is what you already got.

:)


Hi,

AO is B.

By solving the inequality I also got B, but the changed to C, cuz y>0 includes fractions between zero and 1, meanwhile the stem says y and x are intengers. Wud appreciate your further comments.



x and y are +ve consecutive integers.
Director
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Re: i think AO is wrong, plz check it [#permalink] New post 12 Oct 2007, 23:42
Fistail wrote:
IrinaOK wrote:
x and y are consecutive positive integers and x>y . Which of the following represents all the possible values of y?

A) y>=0
B) y>0
C) y>1
D) y>7
E) y>8

thank you.


B. Y has to be +ve, so Y is > 0.


we could make it little more interesting:

x and y are consecutive positive integers and x>y. Which of the following represents all the possible values of x?

A) x > -1
B) x > = 0
C) x > 0
D) x > 1
E) x > 2


like your creative approach. must be C. is it right..

Last edited by IrinaOK on 12 Oct 2007, 23:48, edited 1 time in total.
Director
Director
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Joined: 22 Aug 2007
Posts: 573
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Kudos [?]: 13 [0], given: 0

 [#permalink] New post 12 Oct 2007, 23:43
Fistail wrote:
IrinaOK wrote:
KillerSquirrel wrote:
Hello Irina,

y = x-1

Lets assume x = 2 then y=1

Choices e,d,c, are wrong

Since y has to be positive then y cannot be equal to zero.

The answer is (B)

But I'm guessing this is what you already got.

:)


Hi,

AO is B.

By solving the inequality I also got B, but the changed to C, cuz y>0 includes fractions between zero and 1, meanwhile the stem says y and x are intengers. Wud appreciate your further comments.



x and y are +ve consecutive integers.


I got it, thank you Fistail!

Stem already says that y is not a fraction, little confusing, but i understand.

:flower:
Director
Director
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Re: i think AO is wrong, plz check it [#permalink] New post 13 Oct 2007, 07:11
IrinaOK wrote:
Fistail wrote:
IrinaOK wrote:
x and y are consecutive positive integers and x>y . Which of the following represents all the possible values of y?

A) y>=0
B) y>0
C) y>1
D) y>7
E) y>8

thank you.


B. Y has to be +ve, so Y is > 0.


we could make it little more interesting:

x and y are consecutive positive integers and x>y. Which of the following represents all the possible values of x?

A) x > -1
B) x > = 0
C) x > 0
D) x > 1
E) x > 2


like your creative approach. must be C. is it right..


Should be D since x > y, x cannot be even 1. so x is 2 or > 2.
Director
Director
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Joined: 22 Aug 2007
Posts: 573
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Kudos [?]: 13 [0], given: 0

Re: i think AO is wrong, plz check it [#permalink] New post 13 Oct 2007, 13:17
Fistail wrote:
IrinaOK wrote:
Fistail wrote:
IrinaOK wrote:
x and y are consecutive positive integers and x>y . Which of the following represents all the possible values of y?

A) y>=0
B) y>0
C) y>1
D) y>7
E) y>8

thank you.


B. Y has to be +ve, so Y is > 0.


we could make it little more interesting:

x and y are consecutive positive integers and x>y. Which of the following represents all the possible values of x?

A) x > -1
B) x > = 0
C) x > 0
D) x > 1
E) x > 2


like your creative approach. must be C. is it right..


Should be D since x > y, x cannot be even 1. so x is 2 or > 2.


Right. It shoud be D.
CEO
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Re: i think AO is wrong, plz check it [#permalink] New post 13 Oct 2007, 22:18
IrinaOK wrote:
x and y are consecutive positive integers and x>y . Which of the following represents all the possible values of y?

A) y>=0
B) y>0
C) y>1
D) y>7
E) y>8

thank you.


Argghhh I remember this question. accidentally hit C when I meant B.

Anyway its easy to see the answer.

The main stem says: x and y are POSITIVE CONSECTIVE INTEGERS.

So only B holds. b/c...

A: says that y can be 0. 0 is not a positive value
C: y can be 1.
D and E are just silly.
Re: i think AO is wrong, plz check it   [#permalink] 13 Oct 2007, 22:18
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