Here is the link for a Free webinar on ' Art of problem solving in QA for CAT' by the experienced CAT faculty Mr. Nishit Sinha.
REGSITER FREE HERE -
This is an exclusive webinar which will be covering important Quant prep areas like:
Free Webinar: Tips on QA preparation for CAT 2013 : Quantitative : PaGaLGuY Forums
A Quick revision of important topics in QA
Find logical ways of solving the questions
Understand flaw detectors
Have a Q & A session with the author