from 400 to 620+

I suggest a systematic (even methodical) approach, in which you take the time to master each topic/concept (e.g., percents, ratios, assumption questions in critical reasoning, comparison questions in sentence correction, etc).

So, for each topic/concept, you should:
1) Learn the underlying concepts (rules, attributes, notation, etc.)
2) Learn GMAT-specific strategies related to that topic
3) Practice dozens of questions all related to that one topic.
4) Don't stop working on that topic until you have mastered it

Then, and only then, move on to the next topic.

To help you focus on one topic at a time, you can use GMAT Club's tagging feature.

While completing questions from the Official Guide (OG), you should you use an Error Log (aka Improvement Chart). You can find a free downloadable Improvement Chart here: https://www.gmatprepnow.com/sites/all/themes/gmat/images/GMAT-Prep-Now-Improvement-Chart-for-OG2016.xlsx. This will help you identify and strengthen your weak areas.

You should also spend a lot of time reviewing the responses from the Experts on this site. They model the steps one should take when tackling math problems.

In addition to learning the core concepts and GMAT-specific strategies, be sure to work on your endurance and test-taking skills (e.g., time management) by taking several practice tests. If you're interested, we have a free GMAT time management video at https://www.gmatprepnow.com/module/general-gmat-strategies?id=1244

Cheers,
Brent

Thanks for replying, and your suggestions means that i should start studying each topic, means i should start again from the scratch , do you really think that is better then solving questions only and learn from my mistakes ? and do you think that i can master each topic and not moving to another until i master it in 55 days only ??

Hi Azakaria,

Based on all of the information that you've provided, you've scored 350 twice and 400 once on your 3 practice CATs. However you've been studying, 'your way' is not leading to the big improvement that you need to hit your score goal. As such, you really should consider investing in a new GMAT Course of some type. I understand that you already took a Course, but either the Course - or the way that you worked through it - has not had the desired effect.

Most GMAT Companies offer some type of free materials (practice problems, Trial Accounts, videos, etc.) that you can use to 'test out' a product before you buy it. We have a variety of those resources at out website (www.empowergmat.com). I suggest that you take advantage of all of them then choose the one that best matches your personality, timeline and budget.

If you have any additional question, then just let me know.

GMAT assassins aren't born, they're made,
Rich


GMAT assassins aren't born, they're made,
Rich