I have taken the GMAT exam in December scored 580 with Verbal 25 and Quant 46. I thought i will the exam once more in Jan. I prepared for about 15 days with a gap of study of about 20 days. Then for tests i took the following tests:
1. Veritas Prep 6 Verbal 31 Quant 41
2. veritas Prep 7 . Verbal 26 . Quant 43
3.
Manhattan Prep 1 . Verbal 30 Quant 43
4.
Expert Global test 1 Verbal 39 . Quant 47
5. Gmat Official Prep 2 Verbal 29 . Quant 47
But when i took test in Jan, i scored 490 Verbal 19 and Quant 40. I don't know what happened. The verbal starting 2 question were quite odd and in Quant in last 20-30 list got some 5-6 easy questions even though replying easy question correct. I am surprised if i scored 580 in first test why the scored decreased in next test with this higher margin, even though scoring approx 25-30 in verbal. Please why is this? Was my score 580 was by chance.
(Before first test of scoring 580, got 490 520,550, in my official test 1,5 and 6 with approx quant 40-46 and verbal 17-20).
Please help me and suggest why was this case and should i give another exam in march or Feb