First of all, you need to know why you solved these questions wrong.
Did you have a problem with calculating fast? Did you ran out of time? Did you understand the questions?
Where are you studying from?
What did you get in both Q and V? And which test company did you use?
If your problems are with basics try to work on MGMAT foundation of verbal and foundation on quant. If you miss the basics studying the advanced stuff will not help. Try to finish both of them in 2 weeks, work on one chapter
...
Did you have a problem with calculating fast? Did you ran out of time? Did you understand the questions?
Where are you studying from?
What did you get in both Q and V? And which test company did you use?
If your problems are with basics try to work on MGMAT foundation of verbal and foundation on quant. If you miss the basics studying the advanced stuff will not help. Try to finish both of them in 2 weeks, work on one chapter
...




