cmugeria wrote:
If r > 0 and s > 0, is r/s < s/r?
(1) r/(3s) = 1/4
(2) s = r + 4
If r > 0 and s > 0, \(is \frac{r}{s} < \frac{s}{r}?\)
The question stem tells us that both r and s are positive.
What a relief, we can now do any operations on r and s without worrying about the polarity of the variable.
Lets rephrase the statement
Is \(\frac{r}{s} < \frac{s}{r}\)
THIS IS THE REAL QUESTION
:- Is \(r^2 < s^2 ?\)(1)\(\frac{r}{(3s)} = \frac{1}{4}\)
\(r=\frac{3}{4}*s\)
Because r<s
Therefore \(r^2 < s^2\) SUFFICIENT
(2) s = r + 4
Its obvious that s is bigger and r is smaller
\(r<s\) and \(r^2<s^2\)
SUFFICIENT
ANSWER IS D
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