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Re: If 1/x< 1/y then which of the following must be true? [#permalink]
Carcass wrote:
Please follow the rules for posting.

A new post with the title "inequality" tells us a few or zero information if we want to find out
enthusiast wrote:
If \(\frac{1}{x} < \frac{1}{y}\), then which of the following must be true?

a. y > x
b. x > y
c. x and y < 0
d. x and y > 0
e. None of these


Thank you for correcting. Will keep in mind from the next time
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Re: If 1/x< 1/y then which of the following must be true? [#permalink]
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enthusiast wrote:
If \(\frac{1}{x} < \frac{1}{y}\), then which of the following must be true?

a. y > x
b. x > y
c. x and y < 0
d. x and y > 0
e. None of these



Don't cross multiply in case of fraction until u know the signs of x and y ........

possible cases ----

if x and y both negative
if x and y both positive
if either x or y is negative or positive

thus it is NOT possible here to find out the answer

E is the best option
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Re: If 1/x< 1/y then which of the following must be true? [#permalink]
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