GMAT score of 645 in both attempts

Question

GMAT score of 645 in both attempts. I am quite confused as to how accurately the mocks represent the actual GMAT. My performance in Mock 1-4 was around 645 and I got a similar score in first attempt.

My performance in mock 5-6 was 685+ in each mock and i still scored 645 in the actual exam.

I am not able to understand what went so wrong that my score dropped by 50 points.

Please help me with some good prep stategries.

Rish94S · Answer

Yes I also have gone through same boat, I believe if you get easy question from a section thats your weakness then its helping you get correct anwser. So we should also consider sectionwise/difficultywise accuracy from our practice questions

GmatKnightTutor · Answer

Consider including your section scores and recent score report. If you include any issues you feel could have played a part, people may provide some specific suggestions. In case, for example, you feel it takes you a bit of time to warm up, doing some questions beforehand may help a bit (i.e. not letting the first questions you see on the day be those of the exam).

How to score high on the GMAT. Why solving approach is important.

How to score high on the GMAT. Why solving approach is important.

KDM91 · Answer

It may be possible that you might have got wrong answers in the initial questions, which brings down the score.

SarfrazAP · Answer

Between your first and second attempts, did you make any changes to your prep? Or did you just go by your increased scores on mocks 5 and 6 to decide on the retake? And yes, do provide some details of your sectional scores, number incorrect, etc.

singht · Answer

I did attempt 21 quant, 23 verbal and 20 DI questions from gmat club daily for straight two months before attempting mock 5 and 6. The results from mock 5 and 6 were aligning well with my intense prepartion of two months, hence making me confident that i can go for a retake.

I will share my official score report tomorrow once i get it.

I will share my official score report tomorrow once i get it.

NextstopISB · Answer

Your experience with GMAT scores fluctuating between mocks and the actual test is quite common. Several factors could have contributed to the score difference:

1. Test-Day Anxiety & Pressure – The real exam environment can impact performance differently than a mock test. 
2. Stamina & Timing Strategy – Managing fatigue and pacing properly is crucial. Small timing mistakes can lead to a significant score drop. 
3. Adaptive Nature of GMAT – GMAT scoring is complex, and even a few errors in high-difficulty questions can impact your final score more than expected. 
4. Mock Test Accuracy – While GMAT mocks are good predictors, they are not perfect. Were you using official GMAT Prep mocks or third-party tests? Some third-party tests can be inflated or deflated.

Preparation Strategies to Improve: 
- Analyze Your Mistakes Deeply – Review every incorrect answer to understand patterns in your mistakes. 
- Improve Timing Strategy – Practice strict timing in problem-solving and data sufficiency. Avoid spending too much time on tough questions. 
- Strengthen Weak Areas – Focus on the areas where you lost the most points rather than just doing random practice. 
- Replicate Test Conditions – Take full-length tests with breaks at the same time of day as your actual exam.

If possible, try another official GMAT mock to see if your score aligns more with your recent mocks or actual exam performance.

Gmat750aspirant · Answer

Score fluctuations between GMAT mocks and the actual test are common and can be influenced by several factors, including test-day pressure, fatigue, timing strategies, and the adaptive nature of the exam. The real exam environment often adds stress, impacting performance differently than a mock test. Even minor timing errors or mistakes on high-difficulty questions can significantly affect the final score. Additionally, the accuracy of practice tests matters—official GMAT Prep mocks are the best predictors, while third-party tests may be inflated or deflated. To improve, analyze mistakes thoroughly, refine your timing strategy, target weak areas, and replicate real test conditions during practice. Taking another official GMAT mock can help assess whether your actual score aligns with your most recent performance trends.

bhargavhhhhhhhh · Answer

Create one error log, practice in time pressurized environment

AjiteshArun · Answer

Hi singht,

There are many things that can affect your score, so it's likely that you are capable of getting a 685+ even though you got a 645 on your retake. Also, keep in mind that the neither the practice tests nor the GMAT is perfectly accurate.

All this is to say that maybe you just need to prep a bit more and give the GMAT another shot if you're looking to get a higher score.

All the best.

singht · Answer

Hi,

Below is the detailed summary of my attempt section wise and it appears that I have been heavily penalised for 1st incorrect question in Verbal, where i got 79 with just 7 incorrect answers.

Could you please help me what could be the best series for Verbal and DI.

https://gmatclub.com/forum/download/file.php?mode=view&id=80851

https://gmatclub.com/forum/download/file.php?mode=view&id=80850

https://gmatclub.com/forum/download/file.php?mode=view&id=80849

ScottTargetTestPrep · Answer

Hi singht,

Is is possible that you just had an off day or that anxiety was an issue for you?

singht · Answer

Hi Scott,

I was obviously little anxious about the final score as it was my second attempt after lot of prep. Still cannot understand how did my DI was so off the mark as I used to get 4-5 incorrect questions in the mock and found the actual GMAT exam DI way more tough.

Could you please tell an effective approach for DI. 
Also, I am struglling to understand why with only 7 incorrect questions iN Verbal, i got 79.

ManifestDreamMBA · Answer

Couple of things I would suggest for consideration
- Check routine of the exam day and couple of days leading to the exam for mock and actual exam. Try to follow the same routine
- See if there is anything in particular that distracted you at the exam center. I think some centers give noise cancelling headphones and all, and it could make a difference
- Don't take unnecessary breaks in the mocks. Unusual breaks could help you get refreshened up during the mocks but no breaks(apart from the one permitted) can cause fatigue

Hope this helps!

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GMAT score of 645 in both attempts

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