Here is my prep test scores:

GMAT Prep1: 700 (Q49, V35)

I found that Quant was easy in GMAT Prep1, but SC was tough. I had few minutes left in Quant, but was a bit squeezed in Verbal. Of course, I did relatively better in Problem Solving than Data Sufficiency. SC was not good though.



GMAT Prep2: 720 (Q48, V40)

In GMAT Prep2, I found Quant to be tough. In fact, I ran out of time in Quant. I did not do well in Data sufficiency. I found Verbal to be easier and even had a few min left. My SC continues to suffer.


Questions:

a) How do I improve my DS and SC scores? They are my biggest weaknesses.


b) What should I do in the last 10 days to improve my scores and make sure that I get at least 720 or so.


Thanks
Mahesh