i don't know how to proceed from 550 to 700 ,please in need

[monugana]

Hi All,

Need Serious help.i am constantly getting around 550-580 in my gmat test preps.raw score as follows:
quant -36
verbal-35

I have read different books for both done question also from them.
I dn't know how should i proceed to get a score of 700 + (that's my aim is )

Please suggest what to do....