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Is X less than 20? 1) The sum of x and y is less than 20. 2)

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Intern
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Joined: 19 Oct 2004
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Is X less than 20? 1) The sum of x and y is less than 20. 2) [#permalink] New post 02 May 2007, 10:49
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A
B
C
D
E

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Is X less than 20?

1) The sum of x and y is less than 20.
2) y is less than 20.

Please help me with this DS question.

Thanks!
Lavanya
Manager
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Joined: 21 Mar 2007
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 [#permalink] New post 02 May 2007, 11:33
Answer should be E

Statement 1 is insufficient as

when x= 28 and y= -10, x+y= 18
als0 when x= 14 and y= 5 , x+y= 19
in both the above cases x+y is less than 20 but x may be >or <20 and so insufficient

Statement 2 doesnt tell anything about x so insufficient

together they are still insufficient as in the above examples y<20> but x may be >or < 20 so still insufficient

and so ans is E
Manager
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Joined: 04 Oct 2006
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 [#permalink] New post 03 May 2007, 00:28
The question is : x < 20 ?

(1) gives x + y < 20 - Insufficient

(2) gives y < 20 - Insufficient

(1) and (2) if y = -20 according to (2) then x < 40 according to (1) - Insufficient

I think it is the answer E.
  [#permalink] 03 May 2007, 00:28
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Is X less than 20? 1) The sum of x and y is less than 20. 2)

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