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Master | Next Rank: 500 Posts
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by EMAN » Mon Sep 14, 2009 5:58 pm
Is pqr > 0?

(1) pq > 0
(2) q/r < 0
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Source: — Data Sufficiency |
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imo

by xcusemeplz2009 » Mon Sep 14, 2009 8:00 pm
IMO E
It does not matter how many times you get knocked down , but how many times you get up
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by GambitOS » Mon Sep 14, 2009 10:21 pm
Please explain me.
We need to SOLVE this problem (so it will be E) or to find have we ENOUGH INFORMATION to solve it (in this cause C, because pqr must be with "minus")?
Great thanks!
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by viju9162 » Tue Sep 15, 2009 2:24 am
answer is E ..

Consider A : pq>0.

If PQ >0, either P and Q should be +ve or -ve...butwe dont know about R ( it can be -ve or +ve) ... so A cant be the answer.

Consider B: Q/R < 0.

If Q/R <0, either Q or R should be -ve ... But we dont know about P ... hence B cant be the answer ..

combining both, P, Q can be +ve or -ve and R should be +ve or -ve ...

Then, we get the product as +ve and -ve.. hence E is the answer...
"Native of" is used for a individual while "Native to" is used for a large group
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E

by EMAN » Tue Sep 15, 2009 7:31 am
E is correct. Excellent work.
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