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# x + y = -1

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Founder
Joined: 18 Apr 2015
Posts: 8120
Followers: 157

Kudos [?]: 1700 [1] , given: 7473

x + y = -1 [#permalink]  30 Nov 2015, 02:48
1
KUDOS
Expert's post
00:00

Question Stats:

95% (00:20) correct 4% (00:00) wrong based on 42 sessions
$$x + y = -1$$

 Quantity A Quantity B x y

A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.

Practice Questions
Question: 4
Page: 146
Difficulty: easy
[Reveal] Spoiler: OA

_________________
Founder
Joined: 18 Apr 2015
Posts: 8120
Followers: 157

Kudos [?]: 1700 [0], given: 7473

Re: x + y = -1 [#permalink]  30 Nov 2015, 02:55
Expert's post
Solution

If we do have that: $$x = 10$$ and $$y = -11$$ ; $$10-11= -1$$ $$but$$ $$x > y$$

But if we do have that $$-2 + 1 = -1$$; then $$x < y$$

The answer is $$D$$
_________________
Intern
Joined: 02 Aug 2017
Posts: 24
Followers: 1

Kudos [?]: 14 [1] , given: 4

Re: x + y = -1 [#permalink]  01 Apr 2018, 22:15
1
KUDOS
Fact: x+y=-1
when x=4 y=-5; x+y=-1==> x>y
when x=-5 y=4; x+y=-1==> x<y

relationship varies- ANS is D
Re: x + y = -1   [#permalink] 01 Apr 2018, 22:15
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