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Math practice

Case Calculations Mental Maths

Most recent answer on Nov 10, 2023

Moritz

Expert

ex-McKinsey EM & Interviewer | 7/8 offer rate for 4+ sessions | 90min sessions with FREE exercises & videos

Moritz

Expert

gave the best answer on Nov 06, 2023

ex-McKinsey EM & Interviewer | 7/8 offer rate for 4+ sessions | 90min sessions with FREE exercises & videos

Hi there, A very common problem among candidates, which is relatively easy to train. Here's some thoughts on the matter: The mental math tool on Preplounge is great. Also, Rocketblocks is pretty good for quant. Get acce ... (read entire answer)

7
Answers

362
Views

45
Total Upvotes

on Nov 10, 2023 on Nov 10, 2023
Last Activity

How to improve my mental math during cases

Mental Maths

Most recent answer on Jan 04, 2023

Francesco

Expert

#1 Coach for Sessions (4.500+) | 1.500+ 5-Star Reviews | Proven Success (➡ interviewoffers.com) | Ex BCG | 10Y+ Coaching

Francesco

Expert

gave the best answer on Jan 03, 2023

#1 Coach for Sessions (4.500+) | 1.500+ 5-Star Reviews | Proven Success (➡ interviewoffers.com) | Ex BCG | 10Y+ Coaching

Hi there, Q: As soon as I get to the math part of the case I get lost and I take a lot of time to calculate. Can you please recommend any solutions to get better in math? It is difficult to answer without a concrete ex ... (read entire answer)

7
Answers

819
Views

77
Total Upvotes

on Jan 04, 2023 on Jan 04, 2023
Last Activity

Is getting good at mental math important after job offer

fast math Math problem Mental Maths

Most recent answer on Nov 25, 2022

Florian

Expert

Highest-rated McKinsey coach (ratings, offers, sessions) | 500+ offers | Author of The 1% & Consulting Career Secrets

Florian

Expert

gave the best answer on Nov 23, 2022

Highest-rated McKinsey coach (ratings, offers, sessions) | 500+ offers | Author of The 1% & Consulting Career Secrets

Hi there, I would say it is very helpful as it allows you to quickly calculate, estimate, or sanity-check numbers in client meetings or team problem solving sessions. You would not always have the time to pull out your ... (read entire answer)

6
Answers

841
Views

27
Total Upvotes

on Nov 25, 2022 on Nov 25, 2022
Last Activity

Looking for exciting discussions from the community?

Maths problem

Mental Maths

Most recent answer on Oct 23, 2020

Francesco

Expert

#1 Coach for Sessions (4.500+) | 1.500+ 5-Star Reviews | Proven Success (➡ interviewoffers.com) | Ex BCG | 10Y+ Coaching

Francesco

Expert

gave the best answer on Oct 22, 2020

#1 Coach for Sessions (4.500+) | 1.500+ 5-Star Reviews | Proven Success (➡ interviewoffers.com) | Ex BCG | 10Y+ Coaching

Hi there, For many of the questions with compound rates you can apply the rule of 72. According to it, the time to double, t, is equal to 72/r, where r is the compound growth rate: t=72/r So Innovation Capital ... (read entire answer)

3
Answers

1.4 k
Views

4
Total Upvotes

on Oct 23, 2020 on Oct 23, 2020
Last Activity

Mental Math Help!

Case Timing fast math mental math Mental Maths

Recent activity on Sep 24, 2020

Ken

Expert

Ex-McKinsey final round interviewer | Executive Coach

Ken

Expert

gave the best answer on Sep 24, 2020

Ex-McKinsey final round interviewer | Executive Coach

When I was a candidate myself, I made a stupid math mistake (double counting) for my final round interview with a senior partner. Fortunately, it didn't lead to a rejection but I was asked to come back for an additional ... (read entire answer)

4
Answers

1.9 k
Views

56
Total Upvotes

on Sep 24, 2020 on Sep 24, 2020
Last Activity

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