690 - totally confused

In my first attempt I scored 610 (Q 46 V26), I have just scored 690 in my second attempt (Q40 V44), you might have understood my plight at looking at my Quant score. A 40 in Quant is the least I ever got in all the prep exams in took. iTs a 58 percentile score!, I think toooo low for an MBA. Need ad...