Download CAT previous years papers and sample papers from here

http://www.ziddu.com/download/3978486/cat1.pdf.html

http://www.ziddu.com/download/3978487/cat3.pdf.html

http://www.ziddu.com/download/3978488/OneStopMBA-CAT2007-AnswerKey.pdf.html

http://www.ziddu.com/download/3978489/cat2.pdf.html

http://www.ziddu.com/download/3978642/OneStopMBA-CAT-2007-Question-Paper.pdf.html