I hate getting this kind of stuff wrong

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I hate getting this kind of stuff wrong

by ricaototti » Thu Sep 04, 2008 8:40 pm
a, b, c all are positive, is a/b > (a+c)/(b+c) ?

1. a > c

2. a > b

Answer - B

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Re: I hate getting this kind of stuff wrong

by aspire750 » Thu Sep 04, 2008 10:32 pm
ricaototti wrote:a, b, c all are positive, is a/b > (a+c)/(b+c) ?

1. a > c

2. a > b

Answer - B
Lets us rewrite the stimuli

a(b+c)>b(a+c)
ab+ac>ab+bc
or, a>b which is the statement 2

Statement 2 is sufficient
Statement 1 is insufficient