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GRE Math Challenge #114- x + y = 2
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15 May 2015, 11:17
15 May 2015, 11:17
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Question Stats:
90% (00:16) correct
9% (00:15) wrong based on 109 sessions
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x + y = 2
Quantity A: x
Quantity B: y
• Quantity A is greater.
• Quantity B is greater.
• Both Quantities are Equal
• Cannot be determined
Quantity A: x
Quantity B: y
• Quantity A is greater.
• Quantity B is greater.
• Both Quantities are Equal
• Cannot be determined
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Joined: 10 Apr 2015
Posts: 6218
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Re: GRE Math Challenge #114- x + y = 2
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23 Sep 2017, 08:46
23 Sep 2017, 08:46
2
sandy wrote:
x + y = 2
Quantity A: x
Quantity B: y
Quantity A: x
Quantity B: y
There are infinitely many solutions to the equation x + y = 2
Here are two solutions:
#1) x = 0 and y = 2
In this case Quantity B is greater than Quantity A
#2) x = 2 and y = 0
In this case Quantity A is greater than Quantity B
Answer: D
Cheers,
Brent
Re: GRE Math Challenge #114- x + y = 2
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24 Sep 2017, 14:15
24 Sep 2017, 14:15
1
Here are the possible condtions for values of x and y
- x = 1 and y = 1
- x = 2 and y = 0
- x = 0 and y = 2
so from this we can say that we cannot determine the values of x and y from the equation x + y = 2 !
Hence, Answer - Option D
- x = 1 and y = 1
- x = 2 and y = 0
- x = 0 and y = 2
so from this we can say that we cannot determine the values of x and y from the equation x + y = 2 !
Hence, Answer - Option D
