First, congratulations to you all for scoring nearly 330 in the Graduate Record Examination. Indeed, such a score is enough for you to hope for securing your admission into any good university! It is certainly not the basis for dismissing the admission to you. But a grabbing an emphatic score is not the only thing that various universities and colleges of repute look for. There certainly are other parameters that you must meet to increase your likelihood of securing admission.
These institutes have their eyes on your achievements from past like your performance during under graduation, your Statement of Purpose (SOP), publications from your past telling about your following any creative pursuit etc., besides indispensably requiring your GRE scores. Furthermore, if a GPA of 7.0 is an average achievement, you require to endeavor more for your records. Also, you need to work harder for a more substantial SOP. Moreover, it would be safer and wiser on your part to bid for 8 to 9 business schools which will be a mix of different levels- from academically not so demanding ones to the ones that leave no stone unturned.