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# Is y greater than x? (1) |y|<1 and |x| <2 (2) y>0

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Manager
Joined: 20 Nov 2009
Posts: 146
Is y greater than x? (1) |y|<1 and |x| <2 (2) y>0 [#permalink]

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22 Jul 2010, 13:07
1
00:00

Difficulty:

15% (low)

Question Stats:

83% (00:58) correct 17% (01:11) wrong based on 106 sessions

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Is y greater than x?

(1) |y|<1 and |x| <2

(2) y>0 and x is not 0

_________________

But there’s something in me that just keeps going on. I think it has something to do with tomorrow, that there is always one, and that everything can change when it comes.
http://aimingformba.blogspot.com

SVP
Status: Three Down.
Joined: 09 Jun 2010
Posts: 1869
Concentration: General Management, Nonprofit

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22 Jul 2010, 14:18
Statement 1: Insufficient

|y|<1. This means that $$-1<y<1$$

|x| <2. This means that $$-2<x<2$$

This is clearly insufficient.

Statement 2: Insufficient

y>0

x is not 0: Can be either positive or negative, greater than y or lesser than y.

Statement 1 and 2 together

y>0 and $$-1<y<1$$. This means that $$0<y<1$$

x is not 0 and $$-2<x<2$$. This means that $$-2<x<0$$and $$0<x<2.$$

Hence putting them together also insufficient. Hence the answer is E.
Senior Manager
Joined: 07 Nov 2009
Posts: 277

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22 Jul 2010, 23:41
I would go with E as well
Beautifully explained by "whiplash2411"
Manager
Joined: 22 Nov 2016
Posts: 236
Location: United States
GPA: 3.4
Re: Is y greater than x? (1) |y|<1 and |x| <2 (2) y>0 [#permalink]

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20 Sep 2017, 14:36
From statement 1)

|y|<1 & |x|<2

|y|<1: This means two things: y<1 or -y<1.
-y<1 can be rewritten as y>-1 (when multiplied by -ve, the sign changes. In this case lesser than becomes greater than)
We can summarize as: -1<y<1

Similarly, we can summarize -2<x<2

This is all we know from statement 1. If you draw a number line, x and y could lie anywhere as long as they satisfy respective conditions.
For ex: Y=0 and X=1; In this case Y is less than X.
or Y=1 and X = -1; In this case Y is greater than X.

Hence statement 1 is insufficient. AD BCE

From statement 2)

y>0 and x is not 0

Again, we know nothing about the number except that y is positive and x can be positive or negative. Using simple numbers for X= -1 and Y =1, we can see that Y is indeed greater than X.
But if X= 100 and Y = 1, Y is less than X.

Hence statement 1 is insufficient. BCE

Now your chance of getting this question right is 50%. Taking 1 and 2 together:

We know Y > 0 and range of Y is -1<Y<1, combining these two we can write 0<Y<1; i.e Y is a positive fraction.
Similarly -2<x<2 but x cannot be 0.

Again, take X=-1/2 and Y=1/2; Y is greater than X.
X=1/2 and Y=1/4; Y is less than X.

_________________

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Re: Is y greater than x? (1) |y|<1 and |x| <2 (2) y>0   [#permalink] 20 Sep 2017, 14:36
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# Is y greater than x? (1) |y|<1 and |x| <2 (2) y>0

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