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If x<0 and 0<x/y<1, which of the following must be

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If x<0 and 0<x/y<1, which of the following must be [#permalink] New post 21 Apr 2005, 16:05
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If x<0 and 0<x/y<1, which of the following must be true?

I. y is +ve.
II. x/y>-1
III. 1/x+1/y<0
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 [#permalink] New post 21 Apr 2005, 17:57
I cannot be true because for x/y to be > 0 with x<0 y has to be negative.
That makes II true.
Now1/+1/y when both x and y are negative become -1/x-1/y which would always be less than zero.

so II and III are true.
  [#permalink] 21 Apr 2005, 17:57
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If x<0 and 0<x/y<1, which of the following must be

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