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Hi Bluevader937, don't worry, the WSO Monkey Bot is here.... I'm hoping one of these links will help find your answer:
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Hope that helps.
Monkey bot are you ok? What the hell are these suggestions?
I think the OP broke monkeybot with the longest topic title in our history...
All of the posts are made by retards. That's the connection to this post!
I struggle as well with mental math and unfortunately it has played against me in various interviews. I have found two "solutions":
1. Practice: no surprises here I guess... the more you practice, the faster you become. I would recommend the book "Secrets of mental math" by Arthur Benjamin to help with this. Then it is a matter of spending 20 minutes per day on practice for 2 weeks ahead of your interview
2. Doing mental math out loud: I have noticed that it is much easier to nail mental math calculations under pressure when you do it out loud. This means to literally walk your interviewer through your calculation steps. For example, if you are asked to do 86 x 40%, I would go out lout: 80 times 4 is 320, 6 times 4 is 24, 320 plus 24 is 344, 344 divided by 10 is 34.4 - much much easier than trying to do 86 x 40% very quickly in your mind, and I have noticed that interviewers are not shocked to see you doing this
It'll hurt a little. I've been asked plenty of questions about "would you rather $x today or $y in perpetuity." You need to walk through the numbers without paper. And on a more basic level, you'll need to do basic accounting in your head (i.e. depreciation through the 3 statements) which involves math though all elementry.
I fucked up like 2^6 as I was walking through it in an EB interview and still got the offer. (like, I wasn't even squaring correctly). Also couldn't do the two digit by two digit multiplication, but told them the trick on how to do it and that seemed to be enough. The straight mental math gave me huge anxiety but if you just put in a little bit of time you can make it through, you'll be weak but hopefully strengths in other areas carry you. For accounting questions, the math is usually 50, 100, 1000 type numbers. Like others have said, just practice to give yourself experience with the feeling of the anxiety. But I fully understand your pain. Math fucking sucks and sometimes in interviews you just freeze and forget the most basic stuff.
2^x , so long as x<= 13 isnt so bad if you grew up messing around with RAM for computers:
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