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Bunuel
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the question asks to find out whether 1/m < 1/n? This can be reworded as whether m > n?
1. m-n=3, this can be verified by putting some values of m and n. By putting m=6 and n=3, we get a YES but putting m=-2 and n=5, we get a NO. So statement 1 is insufficient
2. 3n=m+2, this can also be verified by putting some values of m and n. By putting m=4 and n=2, we get a YES but by putting m=-8 and n=-2, we get a NO. So statement 1 is insufficient
Combining the two statements, we can easily solve two equations for two variables. Hence option C.
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Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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