Where can I go to get help with certain types of questions to strengthen this area?
Also I have an app on my iphone to practice thought it's handy the answers portion to the correct answer is not very clear, is there anywhere where I can post the problems and maybe get someone to explain in better detail.
Thanks mush appreciated.
Check out the Veritas Prep
free Question Bank.
Here, on GMAT Club, there are sub forums for each question type. Put your questions there and you will get detailed explanations.
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