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http://en.wikipedia.org/wiki/Business_mathematics

Basics
http://www.axzopress.com/downloads/pdf/1560524480pv.pdf
Medium
http://www.nou.edu.ng/noun/NOUN_OCL/pdf/pdf2/BHM%20109%20-Business%20Maths%20Main.pdf
Advanced
http://www.textbooksonline.tn.nic.in/books/12/std12-bm-em-1.pdf
http://business-maths.blogspot.in/

More
http://www.cimaglobal.com/Students/Exam-preparation/Certificate/C03/
http://glencoe.mcgraw-hill.com/sites/0078692512/student_view0/

MBA
https://www.youtube.com/playlist?list=PLADD19FBE5FC76C35
B.COM
https://www.youtube.com/playlist?list=PLB8DBDDC49A8C8AC1
With Statistics
https://www.youtube.com/playlist?list=PL297BEFEBC279D1FB