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by mike22629 » Sun Apr 19, 2009 7:18 am
are positive integers p and q both greater than n?

1) p - q is greather than n

2) q > p

OA after a few responses.
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Source: — Data Sufficiency |
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by ketkoag » Sun Apr 19, 2009 7:37 am
IMO C coz by statement 1 p=7, q = 1, then p-q = 6 let say n=2 then p and q both are not greater than n.
take p=7, q=4, n=2 therefore p-q > n and p and q are also greater than n.
insufficient.

Statement 2 alone. no info is given about n to supply an answer.

take both statements together: q>p. so q-p will always be negative. so n is negative always by statement . since p,q are positive integers, they are greater than n always.
hence sufficient.
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by mike22629 » Sun Apr 19, 2009 7:59 am
Thanks that is correct.

When doing the problem I forgot to consider that both p and q were positive. Thanks!
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