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Are all elements of set S smaller than 40?

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CEO
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Are all elements of set S smaller than 40? [#permalink] New post 25 Oct 2007, 14:46
00:00
A
B
C
D
E

Difficulty:

(N/A)

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0% (00:00) correct 0% (00:00) wrong based on 0 sessions
Simple DS I think I see why I answered wrong. Plz let me know. Thx.

Are all elements of set S smaller than 40?

1) smallest element is -1

2) Range of S is 41



Im guessin B alone is not sufficient b/c we could have 100-59 or we could have -59-(-100). Is this correct?
Manager
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 [#permalink] New post 25 Oct 2007, 14:52
1) INSUFF
Smallest element doesn't help

2) INSUFF
Could be any negative or positive integers with a range of 41

Both:
SUFFICIENT C.

Smallest element is -1
Range is 41

Therefore 41 = X - (-1) or X = 40, the highest integer is equal to 40.

Last edited by yuefei on 25 Oct 2007, 15:01, edited 1 time in total.
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 [#permalink] New post 25 Oct 2007, 15:00
I agree yuefei, i also think is C, but i think x is 40 not 39. Regardless, C stands
  [#permalink] 25 Oct 2007, 15:00
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Are all elements of set S smaller than 40?

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