Is xy>0
1) x-y > -2
2) x-2y < -6
Ans: C i.e. both togather are suff. Pls guide me to understand the approach to such type of questions.
Data suff - equations - Gmat prep query
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IMO E[email protected] wrote:Is xy>0
1) x-y > -2
2) x-2y < -6
Ans: C i.e. both togather are suff. Pls guide me to understand the approach to such type of questions.