Case Interview Math | Everything You Need to Know in 20 Minutes

Learn case interview math: the 6 fundamental math concepts, 5 types of case interview math questions, and 5 case interview tips to put you in the top 10% of candidates

[cjalfehaidahful]

It's the best video i've ever seen the most useful video ever posted on YouTube when comparing knowledge/time. I am learning 1000 new info per sec

[HASHEMALALAWI-eg]

Thank you so much! another way of finding the breakeven point is by (FC/Cm*) CM= Contribution margin or simply P-VC

[EvaChen-ru]

I am preparing for Newton consulting interview. And I think it is a very helpful video. Wish I will be successful!

[HASHEMALALAWI-eg]

Again, thank you so much! for the market sizing case, one suggestion is to start with the total # of vehicles registered to skip a few steps.... just an example and hope it helps!!

[CimolOk-nzyj]

🎯 Key Takeaways for quick navigation:

00:00 📊 *Introduction to Case Interview Math*
- Introduction to case interview math, emphasizing its importance and basic concepts.
- Overview of the video content including six fundamental concepts, five types of questions, and math tips.
01:09 🔢 *Six Fundamental Math Concepts*
- Explanation of six fundamental case interview math concepts: fractions, decimals, percentages, ratios and proportions, basic statistics, and algebraic equations.
- Key operations and examples for each concept to prepare for case interviews.
08:28 📈 *Five Types of Case Interview Math Questions*
- Detailed breakdown of the five types of math problems encountered in consulting case interviews: profit and break-even, investment, operations, charts and graphs, and market sizing questions.
- Formulas, concepts, and practice questions for each type to demonstrate application in real-world scenarios.
20:01 💡 *Case Interview Math Tips*
- Strategies and tips to excel in case interview math, including structuring before calculating and rounding numbers when appropriate.
- Advice on avoiding unnecessary calculations and reducing error likelihood to stand out among candidates.
20:56 📐 *Additional Case Interview Math Tips*
- Continuation of math tips to improve efficiency and accuracy in case interviews.
- Use abbreviations for large numbers to simplify calculations, apply the rule of 72 for quick growth estimations, and always sense check numbers to avoid common mistakes.
23:40 🏁 *Conclusion and Further Resources*
- Conclusion of the case interview math overview and encouragement for practice and further learning.
- Mention of additional resources for a comprehensive understanding of consulting case interviews, including a step-by-step video guide.

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[maddymaddy]

Thank you so much! This is the most helpful video. I love how you lay everything out so clearly!

[simonmathiesen]

Really liked the video, never though of using abbrivations, i always just told myself to equally remove 0s on both side, but it make more sense just adding a letter like "T, M & B". Is the any case you woudlnt use the abbrivations?

[arsanche]

It's a good video but I was asked to do price elasticity of demand at my interview.

[TheSaloniM]

8:12 Can someone explain why it's considered 1.6, i.e. why is it calculated as (1+0.6)? Also, why divide both sides by 1.6?

[swapnilbansal]

Can you please explain rational behind rule 72

[KirubelMisganaw]

Thank you so much. And, isnt the expected value around the 7:25 hour mark $60M?

[georgieadolphe]

Can someone explain why 60% is reprsented by 1.6 instead of .6 in the algebra example?

[alexnash]

Watching this with two days to go for BCG…here goes nothing!

[danahaziz]

as for profit "pizza" question why you don't calculate rent cost

[blueberrycony]

great video!! preparing for a mckinsey interview right now… thank you, i feel so much confident now 🥸🥳