Is there a way to ensure harder quant questions on the Gmat?

Ive taken the Gmat now 3 times looking for a 720+ score. The first two times I got a 680 and 700 with Quant scores of 46 and 47 respectively. This most recent time I finally got my verbal to 41 but my Quant slipped all the way to 43. The questions I got all seemed easy and I didnt feel (…)