Hi bb,
Another thing I dint see mentioned here on CAT is that each question has a set number of marks and wrong attempt fetches a negative score. And in attempting a particular section, you get to go back to a previously attempted question and change answer, unlike GMAT where the question says now or never :P Also, in CAT, answering a question wrong attracts more penalty (negative mark) than leaving it unattempted(0 mark). So, the mindset when sitting for these two exams is very different.
Good to see a CAT forum. I have given CAT twice now and will be attempting the one scheduled this year as well

Cheers!
J
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