So you know money...
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Excellent , if you have waited a bit you would have seen a lot of mixed answers :) My first article^
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compound interest ? My first article^
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Excellent , if you have waited a bit you would have seen a lot of mixed answers :) My first article^
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compound interest ? My first article^
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compound interest ? My first article^
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" Compound interest is the eighth wonder of the world " - ...Albert Einstein oh you really want me to do this , ok another question the interest rate is monthly quarterly or annually ? --- My first article^
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lets see .... A Cpian puts 10,000 dollar in a Weekly trading scheme. -> About half the time, He makes an 80% gain. -> The other half, he makes a 60% loss. One year later, how much money he will have? a> 1.95 b> 14,000 c> 140,000 d> 1.4 Million e> 131 Million f> I don't want to answer and the question sucks No Marks without explaination ;P Quartz A Good Name Is Better Than A Good Face- old chinese proverb My first article^
g> Lots but he'll be dead from worrying about money instead of living life :) regards, Paul Watson Ireland Colib and ilikecameras. K(arl) wrote: oh, and BTW, CHRISTIAN ISN'T A PARADOX, HE IS A TASMANIAN!
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" Compound interest is the eighth wonder of the world " - ...Albert Einstein oh you really want me to do this , ok another question the interest rate is monthly quarterly or annually ? --- My first article^
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g> Lots but he'll be dead from worrying about money instead of living life :) regards, Paul Watson Ireland Colib and ilikecameras. K(arl) wrote: oh, and BTW, CHRISTIAN ISN'T A PARADOX, HE IS A TASMANIAN!
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i really wished you can hide your answer for a while. :) --- My first article^
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i really wished you can hide your answer for a while. :) --- My first article^
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Drat... now i'm all curious...
---- Scripts i've known... CPhog 0.9.9 - make CP better. Forum Bookmark 0.2.1 - bookmark forum posts on Pensieve Print forum 0.1.1 - printer-friendly forums
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lets see .... A Cpian puts 10,000 dollar in a Weekly trading scheme. -> About half the time, He makes an 80% gain. -> The other half, he makes a 60% loss. One year later, how much money he will have? a> 1.95 b> 14,000 c> 140,000 d> 1.4 Million e> 131 Million f> I don't want to answer and the question sucks No Marks without explaination ;P Quartz A Good Name Is Better Than A Good Face- old chinese proverb My first article^
Quartz... wrote:
About half the time
He makes about an undeterminable amount, based upon the phrasing of your question. You also need to know if he trades all the stocks weekly, or just some of them. Does he ever take any off-the-top? Does he ever invest more? Questions like this need to be explicitly worded. I win. What's my prize?
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lets see .... A Cpian puts 10,000 dollar in a Weekly trading scheme. -> About half the time, He makes an 80% gain. -> The other half, he makes a 60% loss. One year later, how much money he will have? a> 1.95 b> 14,000 c> 140,000 d> 1.4 Million e> 131 Million f> I don't want to answer and the question sucks No Marks without explaination ;P Quartz A Good Name Is Better Than A Good Face- old chinese proverb My first article^
d? ill delete after you reply
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lets see .... A Cpian puts 10,000 dollar in a Weekly trading scheme. -> About half the time, He makes an 80% gain. -> The other half, he makes a 60% loss. One year later, how much money he will have? a> 1.95 b> 14,000 c> 140,000 d> 1.4 Million e> 131 Million f> I don't want to answer and the question sucks No Marks without explaination ;P Quartz A Good Name Is Better Than A Good Face- old chinese proverb My first article^
my answer: d> 1.4 Million or: 1,420,429.32 to be precise. logic: 5,000 * 1.8 + 5,000 * 0.4 = 11,000 (which is initial * 1.1) so for each week multiply by 1.1, so answer = 1.1^52 * 10,000 now lets see if i'm right...
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Quartz... wrote:
About half the time
He makes about an undeterminable amount, based upon the phrasing of your question. You also need to know if he trades all the stocks weekly, or just some of them. Does he ever take any off-the-top? Does he ever invest more? Questions like this need to be explicitly worded. I win. What's my prize?
I agree... that about theoretically shoots the question in the head. Apart from your questions I'm also wondering if he bought a Lamborghini halfway thru the year and therefore halved his capital? Also maybe he won a few grand at the casino and invested that which further affects the outcome. ;)
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Excellent , if you have waited a bit you would have seen a lot of mixed answers :) My first article^
i'm confused :confused: .. are we supposed to post the answer? All these posts and no answers... cool problem BTW... had me scratching my head for a few minutes :-D
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I agree... that about theoretically shoots the question in the head. Apart from your questions I'm also wondering if he bought a Lamborghini halfway thru the year and therefore halved his capital? Also maybe he won a few grand at the casino and invested that which further affects the outcome. ;)
Or maybe he shafted his bookie, and got his knees broken - hospital expenses will drastically cut into the money his bookie would never give him! (Other question Quartz never answered - what is the cost of being involved in the scheme to begin with? Is it up-front, or a cut of the profits?)
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Drat... now i'm all curious...
---- Scripts i've known... CPhog 0.9.9 - make CP better. Forum Bookmark 0.2.1 - bookmark forum posts on Pensieve Print forum 0.1.1 - printer-friendly forums
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my answer: d> 1.4 Million or: 1,420,429.32 to be precise. logic: 5,000 * 1.8 + 5,000 * 0.4 = 11,000 (which is initial * 1.1) so for each week multiply by 1.1, so answer = 1.1^52 * 10,000 now lets see if i'm right...
Ashley van Gerven wrote:
now lets see if i'm right...
I don't think you're correct. Mainly because you split the 10 grand. You don't gain 80% on 5000 dollars while you lose 60% on 5000 on a single week. Either he gains 80%, or he loses 60%. The problem statement says that he starts out with 10 grand, and every second week time he gains 80%, and all other weeks he loses 60%. My interpretation of the problem is that he get's either 80% or loses 60% of what he's currently got, and all the money stays in the scheme. The problem is very similar to compound interest problems: Bob starts out with X dollars in the bank. He gets Y% interest of what he's got on the bank annually. Bob does not withdraw any money. How much money does Bob have after Z years? The only thing that differs is that he's getting 80% back or loses 60%. So, the correct answer should be (IMO), 10000 * 1.8^(52/2) * (1 - 0.6)^(52/2) which is approximately 1.95. -- Pictures[^] from my Japan trip.