For those who are knew
The Idea is to solve 20,000 + cat level questions in maths and DI and all the questions on English zone/GK available on this site (I guess new questions/tests are added regularly)

In maths we have had some good discussion on number system and reminders, now let’s move to the next chapter: Percentage

Links for percentage

E Book Chapter with basics of percentage:
http://www.cat4mba.com/e-book/percentages

Question Bank:
http://www.cat4mba.com/question_bank?filter0=65

Forum Topic:
http://www.cat4mba.com/forum/307