Your chances will be dictated by your GMAT score. If it's closer to 700, you should be competitive for the schools you mentioned. The closer it is to 650 or below, the more these schools will be a stretch (i.e. your profile is solid to strong, but chances are not strong or unique enough to overcome a below average GMAT score - again, you still have a shot at getting in to schools like Oxford/Cambridge with a 650, but your GMAT becomes a handicap).
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