I just Beat The GMAT!

I need someone to really answer this.
When I give my MANHATTAN MOCKS i get around 22 in quant and 23-24 right question in verbal and overall score of around 660+
But when I do PRINCETON'S MOCKS i get 26 right questions in quant and 28 in verbal but my score is just 570 to 580.
I cannot understand as to why this happens.
I have to give my GMAT in next 20 days and these kinds of variations in my score really shuts me off.
I gave master gmat it said ur score is b/w 470 to 490 even after doing many questions right.
Please help in getting this thing resolved.This kinda discrepacy in score is heartbreaking.
How should i correctly gauge my performance.coz manhattan test says my performance lies between 660 to 680

please somebody reply

you are posting in the wrong forum :/

22/37 in mgmat quant is good.
24/41 in verbal is also ok. You should be getting aroung same scaled score in GMAT prep(650ish) and that would be your current level. I speak from experience from my last attempt.

Princeton tests are difficult to score high. Even on getting 35/37 correct in quant it gives u 50 and not 51. If u get around 31/37 correct u get 47. MGMAT would give 51 with this accuracy.
Princeton verbal is good. Scoring is almost as good as GMATprep. questions are also good.

Moreover both are accurate predictors of overall scores. If you drill deep down u wont find much correlation in scaled scoring as per no of questions correct . That makes sense as the GMAT is a CAT- (adaptive test)

Hi
Thank you so much for replying
Can you please tell me which is the right forum and here is my summary of the manhattan mock that i gave
SCORE & OVERVIEW OF RESULTS
TYPE SCORE ESTIMATED PERCENTILE RANK
Quantitative 46 79 % correct 21/37
Verbal 34 72 % correct 24/41
Total 660 86 %

and for princeton 26/37
verbal 25/41
overall 570
c d difference

thank you so much

the right forum is "GMAT strategy". Please post there.

Thnx

as per princeton test, dnt take the scores seriously. its difficult to score high. tests are good though no doubt. stick to mgmat tests in the last 20 days, u dnt want ur confidence to take a dip.

Thank you so much
now that u have answered my query no need to post but still i think i shd to c wat odr ppl say bot it
and thnk u so much