Hi, I am sharing my Q90 AMA excerpts/debrief (taken from the GMAT community on reddit where the post was intentionally deleted by Mods). I hope this information will be useful, as I achieved a score of Q90 despite having a very average educational background. How to start Gmat prep as a beginner? What resources did you use? How long did you prepare for? Is GMAT FE the only version of the exam available now? Are there different Books for FE? Gmat OG had different versions for FE and non-FE, but I'm confused about the latest version Is Gmat OG worth buying? Did you maintain an error log? If you did maintain an error log, how did you use it? How do you stay focused? What were your strategies? Any other tips? Answers: Give the official mock test from the mba.com website and get a baseline score; then you can devise a strategy and determine which sections you need to work on. Quant - TTP, Manhattan All Quant + DI book, Marty's session on Probability, Permutations, and Combinations. I started my preparation in May 2023 and got the target score in October 2024. There were many breaks in between due to my super toxic job at the Health Ministry, and I gave the GRE 2 times in between. GMAT FE is the only available option now. There are new and updated OGs for GMAT FE you can look up. GMAT OG questions are essential, but you can get them for free from GMATClub (latest OG questions) I maintained an error log on GMATClub (it's an automatic feature, I guess, when we solve any question on GMATClub). I revised those questions 2 days before my exam—saw where I made mistakes and also got to know the types of questions. For example, there are specific 8-9 types of probability questions, like card questions, ball questions, lock code questions, etc., which pretty much cover the topic as a whole (you can skip circular permutation if you want, as hardly any questions come from it). I did 20 minutes of jogging, brisk walking, and cardiovascular exercises, as it gives excellent focus and a will to study hard. Sometimes, I also used caffeine, as it is beneficial for a short-term boost and gets things done (be cautious, as it can cause stomach upset). Also, always remember life is much bigger than an MBA or a Harvard/Stanford/IIMs tag, as I see people roaming jobless even after passing out from colleges like INSEAD. Point is the corporate sector is an open world like a GTA game where anything can happen—even if you go to T30 colleges, you can surpass these people by gaining new skills in the field of AI/Cloud computing etc. The GMAT exam fosters critical thinking, a valuable skill for navigating unpredictable life events in the future. Therefore, my advice is to embrace the process and avoid excessive focus on score. The hard work you will put into the preparation will make you a strong-willed personality, which is essential to succeed in the ruthless corporate world. My strategies also included relying on supernatural powers, Astrological predictions as I did know 5 months before that something magical will happen during my GMAT journey—no point in debating whether it is pseudoscience or not Avoid stressing too much, and limit your study time to no more than 6-7 hours per day, even if you are preparing full-time, as studying more than that can be counterproductive during the actual test.

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AMA Debrief (Q 90 - 100 percentile Quant)

sss123Golu

Joined: 04 Oct 2022

Last visit: 14 Apr 2026

Posts: 101

Own Kudos:

Given Kudos: 28

Location: India

GMAT Focus 1: 575 Q81 V77 DI77 Verified score

GMAT Focus 2: 665 Q90 V79 DI80 Verified score

GMAT 1: 500 Q42 V18 Verified score

GRE 1: Q161 V153 Verified score

GRE 2: Q162 V152 Verified score

GMAT Focus 2: 665 Q90 V79 DI80 Verified score

GMAT 1: 500 Q42 V18 Verified score

GRE 1: Q161 V153 Verified score

GRE 2: Q162 V152 Verified score

Posts: 101

Kudos: 61

10 Jul 2025, 10:38

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Hi,

I am sharing my Q90 AMA excerpts/debrief (taken from the GMAT community on reddit where the post was intentionally deleted by Mods). I hope this information will be useful, as I achieved a score of Q90 despite having a very average educational background.

How to start Gmat prep as a beginner?
What resources did you use?
How long did you prepare for?
Is GMAT FE the only version of the exam available now? Are there different Books for FE? Gmat OG had different versions for FE and non-FE, but I'm confused about the latest version
Is Gmat OG worth buying?
Did you maintain an error log? If you did maintain an error log, how did you use it?
How do you stay focused?
What were your strategies?
Any other tips?

Answers:

Give the official mock test from the mba.com website and get a baseline score; then you can devise a strategy and determine which sections you need to work on.
Quant - TTP, Manhattan All Quant + DI book, Marty's session on Probability, Permutations, and Combinations.
I started my preparation in May 2023 and got the target score in October 2024. There were many breaks in between due to my super toxic job at the Health Ministry, and I gave the GRE 2 times in between.
GMAT FE is the only available option now. There are new and updated OGs for GMAT FE you can look up.
GMAT OG questions are essential, but you can get them for free from GMATClub (latest OG questions)
I maintained an error log on GMATClub (it's an automatic feature, I guess, when we solve any question on GMATClub). I revised those questions 2 days before my exam—saw where I made mistakes and also got to know the types of questions. For example, there are specific 8-9 types of probability questions, like card questions, ball questions, lock code questions, etc., which pretty much cover the topic as a whole (you can skip circular permutation if you want, as hardly any questions come from it).
I did 20 minutes of jogging, brisk walking, and cardiovascular exercises, as it gives excellent focus and a will to study hard. Sometimes, I also used caffeine, as it is beneficial for a short-term boost and gets things done (be cautious, as it can cause stomach upset). Also, always remember life is much bigger than an MBA or a Harvard/Stanford/IIMs tag, as I see people roaming jobless even after passing out from colleges like INSEAD. Point is the corporate sector is an open world like a GTA game where anything can happen—even if you go to T30 colleges, you can surpass these people by gaining new skills in the field of AI/Cloud computing etc. The GMAT exam fosters critical thinking, a valuable skill for navigating unpredictable life events in the future. Therefore, my advice is to embrace the process and avoid excessive focus on score. The hard work you will put into the preparation will make you a strong-willed personality, which is essential to succeed in the ruthless corporate world.
My strategies also included relying on supernatural powers, Astrological predictions as I did know 5 months before that something magical will happen during my GMAT journey—no point in debating whether it is pseudoscience or not
Avoid stressing too much, and limit your study time to no more than 6-7 hours per day, even if you are preparing full-time, as studying more than that can be counterproductive during the actual test.