BCA 2nd , 4th and 6th sem's all previous year's question papers

please sir
send me BCA second sem papers of last five years as soon as possible...
my email-id is: vish19@live.com

Sir/Mam pls produce me the last five years question papers and some of the important question in the subjects of

Numerical & Statistical methods using C & C++

Programming in Cobol & C++

Operating System & Microprocessor

Financial, Cost & Management

Im studying 2nd year in Madras university now im going to work due to this i cant able to study pls produce me the important subjects for these subjects.

Thanking You

Please provide me second sem question paper of bca ggsipu for the last 5 years.
thanks

please provide me second sem question paper of bca ggsipu for the last 5 years