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Inequalities

Expert replies
by gviren » Mon May 28, 2007 7:02 pm
14. Is x – y > r – s?

(1) x > r and y < s?

(2) y = 2, s = 3, r = 5, and x = 6.

The OA is D but I think 1) is not true. Here is why?

If you take numbers x=5, r=4 , s=8, y=1

x - r = 1

s-y = 7

1 > 7 false

Please let me know where am I wrong
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Source: — Data Sufficiency |

Re: Inequalities

by Prasanna » Tue May 29, 2007 4:37 pm
gviren wrote:14. Is x – y > r – s?

(1) x > r and y < s?

(2) y = 2, s = 3, r = 5, and x = 6.

The OA is D but I think 1) is not true. Here is why?

If you take numbers x=5, r=4 , s=8, y=1

x - r = 1

s-y = 7

1 > 7 false


Please let me know where am I wrong
Hey is the question not asking for
x – y > r – s. I see you computing x - r and s-y :?:
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by f2001290 » Tue May 29, 2007 10:14 pm
If we modify the question stem, we get x+s>y+r

1. x>r and s>y

On adding both the equations ,we get x+s>y+r
Hence sufficient
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