$money mental math practice$

#Money mental math practice series#

The Art and Necessity of “Rounding” for Mental Math In this article, I’d like to spend some time discussing a subset of mental math skills surrounding (no pun intended) the art of rounding numbers, and make suggestions for practice. The degree of mental math fluency required to be successful as a consultant cannot be understated.

$money mental math practice$

The time remaining until the patents expire – as well as which patents will expire!.To put it bluntly, you should be trying, even as you jot down your notes, to “size” some important quantities, and wonder about things like: Yet the interviewer will also expect that the cogs in your mind are turning, too – that is, that they are doing more than simply holding these bolded numbers in working memory and sending nerve impulses to your forearm to ensure you write everything down before you miss something. If you’re given all this information as a trainee, candidate, or interviewee, you’re likely to be experiencing hand cramps in the near future. Not getting satisfactory results, the company expanded the research portfolio in 2012. The client has traditionally received 80% of its total revenue ($24B) from drugs to treat heart disease, blood pressure, and liver disease 80% of the patents on these drugs will expire by 2015, and the company therefore expanded research into adjacent areas in 2010.

$money mental math practice$

There are approximately 2,300 R&D employees and the total R&D costs are approximately $12B per annum. “ All of the R&D facilities and staff are concentrated in the Boston area.

#Money mental math practice series#

This deluge of information might come as a series of facts, sprinkled throughout the case – or it might arrive after a two-sentence prompt citing a client’s desire to reduce their R&D costs. Consider the following excerpt from this sample case. In case interviews, you may be asked to undergo mental math gyrations from Minute 1. Mental Math Practice: Getting the Most “Bang for your Buck”