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kartik222
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x and y are expressed as decimals. 10 Jul 2014, 09:32
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x and y are expressed as decimals. When (x+y) is rounded to the hundredth place, it is equal to x.

(1) x
(2)0.007

A) (1) is bigger
b) (2) is bigger
c) (1) and (2) are equal
d) Relationship can't be determined

I don't seem to understand how to go about cracking this question.

Thanks
K

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Rocket1997
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x and y are expressed as decimals. 11 Jul 2014, 01:28
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I don't believe that such q's appear on GMAT.
What is the source ?
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janxavier
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x and y are expressed as decimals. 12 Jul 2014, 04:21
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This a GRE question . Quantitative comparison
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kartik222
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x and y are expressed as decimals. 12 Jul 2014, 16:19
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Yeah, it's GRE question. I am looking for a way to solve it; any help is greatly appreciated.
Ciao!
K
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janxavier
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x and y are expressed as decimals. 12 Jul 2014, 16:48
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Ok . I would go with option D .
Cause they have just mentioned dat x and y are decimals.
We do not know whether they are positv negative . Either which way let us take a few cases .

Case 1 :
If x = 0.007 and y = 0.0001
-》 x + y = 0.0071
X + y rounded to the hundredth placs it gives 0.007 which is x
Hence x = 0.007
You can choose option (C)

Case 2 :
X = 0.006 and y = 0.0001
X+y = 0.0061
Rounded off gives 0.006 which is = x
Hence you could choose option (B)

With jus two cases we get varying answers.

So we need more info to know what precise values of x and y are we allowed to take .

Hence d qns would be option (D)

Hope dis helped.

Kudos plz if it did :D
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x and y are expressed as decimals. 14 Jul 2014, 10:40
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Hi Janxavier,

thank you!
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Dineshcivil14
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x and y are expressed as decimals. 17 Sep 2015, 04:28
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[quote="kartik222"]x and y are expressed as decimals. When (x+y) is rounded to the hundredth place, it is equal to x.

(1) x
(2)0.007

A) (1) is bigger
b) (2) is bigger
c) (1) and (2) are equal
d) Relationship can't be determined

I don't seem to understand how to go about cracking this question.


Hope it helps
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x and y are expressed as decimals. 23 Jun 2024, 06:16
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Automated notice from GMAT Club BumpBot:

A member just gave Kudos to this thread, showing it’s still useful. I’ve bumped it to the top so more people can benefit. Feel free to add your own questions or solutions.

This post was generated automatically.

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Hi there,
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