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Is y between -2 and 1 on the number line?

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Is y between -2 and 1 on the number line?  [#permalink]

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New post 09 Apr 2017, 09:38
2
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A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

79% (00:47) correct 21% (01:09) wrong based on 174 sessions

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Is y between -2 and 1 on the number line?

(1) y is to the right of -1 on the number line.
(2) y is to the left of 2 on the number line.
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Re: Is y between -2 and 1 on the number line?  [#permalink]

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New post 09 Apr 2017, 10:08
1
Is -2<y<1?

(1) y is to the right of -1 on the number line;
That means -1<y.

But y can be 0 and also y can be 3.
y= 0 satisfies -2<y<1, but y= 3 not. Hence, Insufficient.

(2) y is to the left of 2 on the number line;
That means y<2.

y can be 0 and also y can be -3.
y= 0 satisfies -2<y<1, but y= -3 not. Hence, Insufficient.

(1) & (2) together,
-1<y<2

y can be 0 and also y can be 1.
y= 0 satisfies -2<y<1, but y= 1 not. Hence, Insufficient.

Answer E.
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Re: Is y between -2 and 1 on the number line?  [#permalink]

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New post 10 Apr 2017, 02:35
Hi ,
In reference to above question - Does Number line always mean that It is obvious that we are talking about integers .
because Although I got the answer correct the only reason I eliminated both together as Insufficient is because It was NOT mentioned that y is an integer so left of 2 can also mean 1.5 right?
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Re: Is y between -2 and 1 on the number line?  [#permalink]

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New post 10 Apr 2017, 02:46
Prasannak wrote:
Hi ,
In reference to above question - Does Number line always mean that It is obvious that we are talking about integers .
because Although I got the answer correct the only reason I eliminated both together as Insufficient is because It was NOT mentioned that y is an integer so left of 2 can also mean 1.5 right?


A number line consists of all numbers, not only integers but also fractions and irrational numbers. So, you are right, you can consider y to be 0.5 and 1.5 to get two different answers to the question.
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Re: Is y between -2 and 1 on the number line?  [#permalink]

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New post 15 Jul 2017, 06:36
Hello! Request some light on the wording. the questions says
"Is y between -2 and 1 on the number line?

1. y is to the right of -1 on the number line.
2. y is to the left of 2 on the number line"

Now as per 1) + 2) = -1<y<2 so Y is INBETWEEN the values. So I picked C as it is sufficient. But as per OA it is asking for a specific value, which of course it doesn't tell, hence E is right. So if a question comes similar to this, are we to pick the correct value or just answer the question stem (here: is it in between or not).
Thank you!
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Re: Is y between -2 and 1 on the number line?  [#permalink]

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New post 15 Jul 2017, 07:17
1
Madhavi1990 wrote:
Hello! Request some light on the wording. the questions says
"Is y between -2 and 1 on the number line?

1. y is to the right of -1 on the number line.
2. y is to the left of 2 on the number line"

Now as per 1) + 2) = -1<y<2 so Y is INBETWEEN the values. So I picked C as it is sufficient. But as per OA it is asking for a specific value, which of course it doesn't tell, hence E is right. So if a question comes similar to this, are we to pick the correct value or just answer the question stem (here: is it in between or not).
Thank you!


The question does not ask for the value of y.

The question asks: is -2 < y < 1. We got that -1 < y < 2 (which is not the same as -2 < y < 1). If y = 0, then the answer is YES but if y = 1.5 then the answer is NO.
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Re: Is y between -2 and 1 on the number line?  [#permalink]

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New post 15 Jul 2017, 08:22
Bunuel wrote:
Madhavi1990 wrote:
Hello! Request some light on the wording. the questions says
"Is y between -2 and 1 on the number line?

1. y is to the right of -1 on the number line.
2. y is to the left of 2 on the number line"

Now as per 1) + 2) = -1<y<2 so Y is INBETWEEN the values. So I picked C as it is sufficient. But as per OA it is asking for a specific value, which of course it doesn't tell, hence E is right. So if a question comes similar to this, are we to pick the correct value or just answer the question stem (here: is it in between or not).
Thank you!


The question does not ask for the value of y.

The question asks: is -2 < y < 1. We got that -1 < y < 2 (which is not the same as -2 < y < 1). If y = 0, then the answer is YES but if y = 1.5 then the answer is NO.


Thank you, it really helped clear up a concept - I'll be using this to write the question better. :)
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Re: Is y between -2 and 1 on the number line?  [#permalink]

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New post 24 Aug 2019, 18:39
warriorguy wrote:
Is y between -2 and 1 on the number line?

(1) y is to the right of -1 on the number line.
(2) y is to the left of 2 on the number line.


Asked: Is y between -2 and 1 on the number line?

(1) y is to the right of -1 on the number line.
y>-1
y may or may not be <1
NOT SUFFICIENT

(2) y is to the left of 2 on the number line.
y<2
y may or may not be >-2
NOT SUFFICIENT

Combining (1) & (2)
2>y>-1
NOT SUFFICIENT

IMO E

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Re: Is y between -2 and 1 on the number line?   [#permalink] 24 Aug 2019, 18:39
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