math destroyer

Can you solve it before looking at the answer? Students often ask which DAT study materials are actually used in real courses. The DAT Destroyer and Math Destroyer are the core books used in Dr. Jim Romano’s DAT preparation classes. DAT Destroyer: DAT Destroyer 2026 — Complete DAT Science Prep...

Understanding reaction mechanisms is essential for success on the DAT Organic Chemistry section. In this video, Dr. Jim Romano explains important DAT Organic Chemistry reaction mechanisms including SN1, SN2, E1, E2, carbocation rearrangements, and how molecular structure affects reactivity...

Many DAT biology questions test whether students truly understand the characteristics of blood cells instead of simply memorizing definitions. If you’re preparing for the DAT or OAT, the DAT Destroyer and Math Destroyer along with the Dr. Jim Romano Biology Review Book are core resources used...

We are giving away a free copy of the: • 2026 DAT Destroyer and Math Destroyer to one student preparing for the DAT. If you already own the DAT Destroyer and Math Destroyer, you may instead choose any 2 other books from our store. Dr. Jim Romano has been helping students prepare for the DAT...

This is exactly the type of problem on the real DAT and OAT. Pay attention to signs — that’s where most students make mistakes here. Students often ask which DAT study materials are actually used in real courses. The DAT Destroyer and Math Destroyer are the core books used in Dr. Jim...

Congratulations to Nicole on her acceptance to Touro College of Dental Medicine! 🎉 Thank you, Nicole, for your kind words about Dr. Romano, the DAT Destroyer books, and the classes. We are so happy for you and proud to be part of your DAT journey. Dr. Jim Romano has been helping students...

Many students forget that a regular hexagon can be divided into 6 equilateral triangles — a key idea for DAT geometry questions. If you’re preparing for the DAT or OAT, the DAT Destroyer and Math Destroyer are the core books used in Dr. Jim Romano’s DAT preparation courses, both online and in...

If you are preparing for the DAT and want more challenging practice problems, these are the books many students use as their core DAT study materials: DAT Destroyer 2026 DAT Destroyer — The Complete DAT Science Prep System Math Destroyer 2026 Math Destroyer – DAT and OAT Quantitative...

In this short video, Prof. Blois breaks down one of the most commonly tested DAT Quantitative Reasoning topics: combinations vs permutations. Many students lose points not because the math is difficult, but because they confuse when order matters and when it does not. If you are beginning...

70 % of the Hockey referees freeze the pucks before the game. If 8 referees are chosen at random what is the probability that exactly 5 of them freeze the puck before the game? A) 70 % B) 8 % C) 5% D) 15 % E) 25 % Answer: E 8C5*(0.7)^5*(0.3)^3 8C5 = 8!/{(8-5)!*5!} = 56 560.1680.027 =...

One of the most common mistakes on DAT investment problems is confusing total value with total profit. Total investment = 50,000 Total accumulated value = 54,300 Actual profit = 4,300 The equation must reflect profit: 0.14x + 0.02(50,000 − x) = 4,300 Once the setup is correct, the...

Here is a representative Quantitative Reasoning problem involving prime factorization — a concept that appears frequently on the DAT in disguised form. Problem 224 = (2^a)(7^b) What is a / b ? A) 7 B) 5 C) 7/5 D) 5/5 E) 1/7 Try solving it before looking at the explanation. Solution...

Discount word problems are a common source of lost points on the DAT Quantitative Reasoning section. In this video, Prof. Denis Blois walks through a representative discount problem step-by-step, showing how to correctly interpret percentages, compare original and sale prices, and avoid the...

Congratulations to Jolie LeNguyen, the Math Destroyer giveaway winner at the LSU Pre-Dental Society Pre-Dent 101 Conference. We were happy to sponsor this event by donating a 2026 Math Destroyer to support pre-dental students early in the process. Always great to see motivated students taking...

Math Destroyer Question of the Day: If F(x) = x − 1 and G(x) = x² + x What is G(F(x)) / F(x) ? Solution is on the second slide. For students preparing for the DAT or OAT, the Math Destroyer provides targeted, exam-level practice to build speed and accuracy. Learn more here: 2026 Math...

Mr. Rostov invested a sum of money into an index fund that pays 9% interest per year. After 30 years, his gain was $1,326,767.85. Prior to the investment, Mr. Rostov was saving $50 per day from his salary. How long did he have to save to invest the needed amount to obtain those gains? A) 2.5...

DAT-Style Math Question A car costs $42,000 and depreciates in value 8% annually. How long would it take for the car to reach 55% of its original price? A) 8 years and 2 days B) 6 years and 20 days C) 7 years and 73 days D) 3 years and 37 days E) 7 years and 37 days Correct Answer: C Use...

Here is a geometry practice problem involving an inscribed circle and rectangle. This type of setup is common on the DAT, and recognizing that the width becomes the diameter of the circle is the key step. Full solution included below. Problem: A circle is inscribed within a rectangle so that...

The Math Destroyer Giveaway has officially ended. Congratulations to our winner, u/Silent-Huckleberry28. We have contacted the winner, and their photo will be posted as soon as it is received. Thank you to everyone who participated and supported the Destroyer Team. For students preparing for...

We are running a free 2025 Math Destroyer Giveaway for a limited time. ⚡ 48-Hour Flash Giveaway — 2025 Math Destroyer We are running a free 2025 Math Destroyer Giveaway for a limited time. This giveaway is hosted on our official Reddit community so students can enter and see transparent, public...

We are pleased to announce the winner of our recent DAT Destroyer Giveaway. Congratulations to our Instagram winner, @seohyunmiin. Thank you to everyone who participated and continues to support our mission of helping students succeed on the DAT. We will be offering more student giveaways...

Sheldon has 60 fewer apps on his phone than Patricia.Patricia has 5× as many apps as Sheldon.If their total number of apps were divided evenly among three friends, how many apps would each friend receive? A) 12 B) 15 C) 30 D) 20 E) 10 Answer: C Let S = Sheldon and P = Patricia S = P – 60...

Here is a high-yield DAT Math (QR) probability question — a topic many students struggle with on test day. This walkthrough is taught by Prof. Blois and is representative of the style and reasoning you will face on the actual exam. 📌 Watch the video: Probability questions are extremely...

DAT and OAT Math Practice Question (From Our Math Instructor) Max and Dave received a combined test score of 140. Max’s score was Z times higher than Dave’s. How much did Dave score in terms of Z? A) 140/(Z+1) B) 140/(Z−1) C) Z/(140+1) D) 1/(140+Z) E) Z/(1−140) Solution Let: M = Max’s...

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How to Study for the Math Section of the DAT Exam Using the Math Destroyer Preparing for the Math section of the Dental Admission Test (DAT) can feel overwhelming, but the Math Destroyer is a powerful resource to help you tackle it effectively. Here’s a step-by-step guide to ensure you get the...

Math Destroyer 2024 Ready to ace the DAT and OAT exams? The Math Destroyer 2024 is your ultimate study companion designed to help pre-dental and optometry students achieve their dream scores. Key Features: Comprehensive Math Prep: Tailored specifically for the DAT and OAT exams, ensuring you...

This is for the much in demand 📘Organic Chemistry Odyssey that has helped thousands of students. 👉Contest ends November 1 and winner announced November 2! Good luck to all!🍀 Need extra help with Organic Chemistry to build a better foundation? Dr. Romano's Organic Chemistry Odyssey offers...

After a few days of post-exam mind-rotting and an extended celebration of the national holiday on April, 20th, I thought I might detail how I prepared myself for each section of the DAT and relay any words of strategy and advice for those who might need it. Scores PAT: 23 QR: 24 RC: 25 Bio: 28...

Hi, I'm feeling utterly lost and stressed over studying for the DAT and would like some advice on how to use the approximately 18 weeks (as of 9/3 when I posted this) I have before my exam to study. My exam is scheduled for Jan 9. Just to give some background, I'm currently in my 5th semester...

Hey there future dentists, I thought I would share my experience with regards to the dat that I recently took, as well as give some insight into how I prepared. I will do my best to be brief and concise. Firstly, my scores: PA: 20 QR: 23 RC: 24 Bio: 30 GC: 28 OC: 24 TS: 27 AA: 26 My...

These were the materials I used to study for the DAT. $200 for everything (Paypal), if you buy today I'll include my DAT Bootcamp subscription which expires Aug 3rd for free. I may also include access to my OneNote (all of my personal notes) for free if you're interested. Includes: CliffsNotes...

Hey all! I am selling all of the material I used to do well on the OAT last summer. I have the following available: - Huge Kaplan Review Notes book- (light highlighting in first few bio chapters & some erased writing) - Kaplan Lesson Book- (minimal erased writing) - Kaplan Flashcards- (all...

I am selling all of the materials I used to study for the OAT. All of these things together helped me to get a competitive score and get into one of the top optometry schools! The following is for sale: Huge Kaplan Review Notes book- (light highlighting in first few bio chapters & some erased...

Hi everyone! This is my first post to SDN, so hopefully I don't seem too over-ambitious or anything of the sort. I plan on taking the DAT in the Spring of 2019, but I would like to start reviewing this summer. I know people tend to promote a 3-4-6-8-whatever week studying plan, but I would...

Hello, I have the option to buy the Combo for $75 for the 2017 version. The 2018 Version online is $200. Money is not a huge issue, but is their a large/worthwhile difference between the two. I plan to supplement these regardless with Bootcamp and other pivotal resources. Also if your name is...

Hi everyone! Finally done studying and time to sell all my study materials. These were the best materials to ace the DAT. 2015 Math and DAT Destroyer 2015 Kaplan DAT with both practice tests unused 2009 Kaplan DAT 3rd Edition Cliffs AP Biology Insane amounts of Kaplan notecards for Biology...

Math Destroyer and DAT BC have similar QR question, but the answers that they have for this specific type of question always differs. Someone please tell me the correct approach, thank you! Ex: 30% pop. loves cheese, 70% (or like 50%) pop. loves yogurt, 11% loves cheese and yogurt, what...

I'm selling the 2014 DAT Destroyer, Math Destroyer, and Organic Chemistry Odyssey! I can also throw in a Kaplan book, Cliffs AP Bio 2nd edition and 3rd edition, my Feralis notes, and notes from Chad's videos. They are all in very good condition. Please email me at [email protected] for...

I'm selling the Dr. Collins 2016-2017 study bundle, 3 full Pearson tests, 5 Cliffs PCAT tests, and my Kaplan 2016-2017 book! I used all of them to study and I got a 97 composite. They are all in very good condition. Please email me at [email protected] for details. Thank you!