Hello - I have my exam scheduled for next week but i am suffering with EV and Pert questions. Even thought i understand the concept and know the formula's very well. I guess the reason is that i am not good in Maths. I am looking for some of Mathematical questions which i can practice more and more. 

Does anyone have any sort of such material?

Also whats the percentage of Ev questions in the Exam?

You can email me @ Ch.adilaziz@Live.com

Thanks In Advance

Khan