I studied for the GMAT for about 3 Months. I put a lot of Energy during the last few weeks. English is my third Language.
I have an engineering background with good understanding of MATH.
I used the official book, Kaplan book with the CD, Princton review with the CD, and the KAPLAN 800 book.
Based on KAPLAN CD, my result was as followed:
CAT 1: 520 (Quant 34, Verbal 23)
CAT 2: 530 (Quant 35, Verbal 23)
CAT 3: 540 (Quant 35, Verbal 24)
CAT 4: 530 (Quant 36, Verbal 22)
I did the GMAT last Tuesday and I was very surprised and frustrated with my very low result
500 (Quant 44, Verbal 16)
I am assuming that I did very bad on the easy and moderate verbal questions. I remember getting some hard verbal questions. Also, I was very tired at the end of the exam and I wasn't giving my 100%
So, just a small comment, the KAPLAN TESTS on the CD, gave me a higher score than my actual GMAT score,