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Is -7 < y < 10 ? (1) y > -6 (2) y < 0

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Joined: 02 Sep 2009
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Is -7 < y < 10 ? (1) y > -6 (2) y < 0 [#permalink]

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New post 11 Nov 2017, 07:55
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A
B
C
D
E

Difficulty:

  25% (medium)

Question Stats:

86% (00:35) correct 14% (00:41) wrong based on 54 sessions

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Expert Post
Math Expert
User avatar
V
Joined: 02 Aug 2009
Posts: 5784
Is -7 < y < 10 ? (1) y > -6 (2) y < 0 [#permalink]

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New post 11 Nov 2017, 10:47
Bunuel wrote:
Is -7 < y < 10 ?

(1) y > -6

(2) y < 0



Is -7 < y < 10 ?

(1) y > -6
if y is 0 ... Yes
if y is 15...No
Insuff

(2) y < 0
if y is -5...Yes
If y is -10... ans is No
Insuff

combined
\(0>y>-6\)
this falls within the range -7 < y < 10 ..
so ans is YES always

suff
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Re: Is -7 < y < 10 ? (1) y > -6 (2) y < 0 [#permalink]

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New post 11 Nov 2017, 10:55
chetan2u wrote:
Bunuel wrote:
Is -7 < y < 10 ?

(1) y > -6

(2) y < 0



Is -7 < y < 10 ?

(1) y > -6
if y is 0 ... Yes
if y is 15...No
Insuff

(2) y < 0
if y is -5...Yes
If y is -10... ans is No
Insuff

combined
\(0<y<-6\)
this falls within the range -7 < y < 10 ..
so ans is YES always

suff


Hi chetan2u

the answer seems to be correct but the inequality sign in the highlighted part is incorrect.
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Re: Is -7 < y < 10 ? (1) y > -6 (2) y < 0 [#permalink]

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New post 11 Nov 2017, 11:18
Is -7 < y < 10 ?

(1) y > -6

(2) y < 0

Statement 1 doesnt put an upper limit for the value of y, and hence, not sufficient.
Statement 2 means y can take any negative value.

Combining; -6<y<0, which is a subset of the question stem.
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Re: Is -7 < y < 10 ? (1) y > -6 (2) y < 0 [#permalink]

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New post 12 Nov 2017, 10:29
chetan2u wrote:
Bunuel wrote:
Is -7 < y < 10 ?

(1) y > -6

(2) y < 0



Is -7 < y < 10 ?

(1) y > -6
if y is 0 ... Yes
if y is 15...No
Insuff

(2) y < 0
if y is -5...Yes
If y is -10... ans is No
Insuff

combined
\(0>y>-6\)
this falls within the range -7 < y < 10 ..
so ans is YES always

suff



So according to you, answer is c
Dont you feel answer should be E because this don't give the correct answer.
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Re: Is -7 < y < 10 ? (1) y > -6 (2) y < 0 [#permalink]

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New post 12 Nov 2017, 11:57
Adityagmatclub wrote:
chetan2u wrote:
Bunuel wrote:
Is -7 < y < 10 ?

(1) y > -6

(2) y < 0



Is -7 < y < 10 ?

(1) y > -6
if y is 0 ... Yes
if y is 15...No
Insuff

(2) y < 0
if y is -5...Yes
If y is -10... ans is No
Insuff

combined
\(0>y>-6\)
this falls within the range -7 < y < 10 ..
so ans is YES always

suff



So according to you, answer is c
Dont you feel answer should be E because this don't give the correct answer.


Hi Adityagmatclub

this is a Yes / No question type so we only need either a Yes or a No and if we get both then the answer could be C

combining 1 & 2 we get \(-6<y<0\). so all the values of \(y\) in this range are between \(-7<y<10\). We have a Yes here. So C is sufficient
Re: Is -7 < y < 10 ? (1) y > -6 (2) y < 0   [#permalink] 12 Nov 2017, 11:57
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