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  3. So you know money...

So you know money...

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  • R Offline
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    Raj Lal
    wrote on last edited by
    #1

    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^

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    • R Raj Lal

      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^

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      J Offline
      Jorgen Sigvardsson
      wrote on last edited by
      #2

      [edit]Answer removed. :)[/edit] -- Pictures[^] from my Japan trip. -- modified at 18:31 Monday 12th December, 2005

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      • R Raj Lal

        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^

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        Jorgen Sigvardsson
        wrote on last edited by
        #3

        Counter question: If he starts out with 10000 dollars, and puts the money in a fund, which gives an average 10% interest every year, how long before he has earned 100000? -- Pictures[^] from my Japan trip.

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        • J Jorgen Sigvardsson

          [edit]Answer removed. :)[/edit] -- Pictures[^] from my Japan trip. -- modified at 18:31 Monday 12th December, 2005

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          R Offline
          Raj Lal
          wrote on last edited by
          #4

          Excellent , if you have waited a bit you would have seen a lot of mixed answers :) My first article^

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          • J Jorgen Sigvardsson

            Counter question: If he starts out with 10000 dollars, and puts the money in a fund, which gives an average 10% interest every year, how long before he has earned 100000? -- Pictures[^] from my Japan trip.

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            Raj Lal
            wrote on last edited by
            #5

            compound interest ? My first article^

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            • R Raj Lal

              Excellent , if you have waited a bit you would have seen a lot of mixed answers :) My first article^

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              Jorgen Sigvardsson
              wrote on last edited by
              #6

              You almost got the wrong answer from me. I accidently used 0.6 as the loss factor. Luckily, I double checked my calculations before I hit submit. :-O Darn.. you've started a math itch. I think I'll read a little in my old calculus book before I go to sleep. :) -- Pictures[^] from my Japan trip.

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              • R Raj Lal

                compound interest ? My first article^

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                Jorgen Sigvardsson
                wrote on last edited by
                #7

                Yes. :) -- Pictures[^] from my Japan trip.

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                • R Raj Lal

                  compound interest ? My first article^

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                  Jorgen Sigvardsson
                  wrote on last edited by
                  #8

                  Maybe I should've upped the end value a little. It's way too easy to iterate to get to the real answer. So for a full score, I expect an "exact" answer. That is: not a number, but an expression (but, by all means, please evaluate the expression as well :)) -- Pictures[^] from my Japan trip.

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                  • J Jorgen Sigvardsson

                    Yes. :) -- Pictures[^] from my Japan trip.

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                    Raj Lal
                    wrote on last edited by
                    #9

                    " 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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                    • R Raj Lal

                      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^

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                      Paul Watson
                      wrote on last edited by
                      #10

                      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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                      • R Raj Lal

                        " 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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                        Jorgen Sigvardsson
                        wrote on last edited by
                        #11

                        The interest rate is annual. If you ever hear about a fund giving monthly 10% interest rates, let me know! :-D -- Pictures[^] from my Japan trip.

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                        • P Paul Watson

                          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!

                          J Offline
                          J Offline
                          Jorgen Sigvardsson
                          wrote on last edited by
                          #12

                          [edit]Answer removed. :)[/edit] -- Pictures[^] from my Japan trip. -- modified at 18:31 Monday 12th December, 2005

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                          • J Jorgen Sigvardsson

                            [edit]Answer removed. :)[/edit] -- Pictures[^] from my Japan trip. -- modified at 18:31 Monday 12th December, 2005

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                            Raj Lal
                            wrote on last edited by
                            #13

                            i really wished you can hide your answer for a while. :) --- My first article^

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                            • R Raj Lal

                              i really wished you can hide your answer for a while. :) --- My first article^

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                              J Offline
                              Jorgen Sigvardsson
                              wrote on last edited by
                              #14

                              There, I've removed the answers. :) -- Pictures[^] from my Japan trip.

                              1 Reply Last reply
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                              • J Jorgen Sigvardsson

                                [edit]Answer removed. :)[/edit] -- Pictures[^] from my Japan trip. -- modified at 18:31 Monday 12th December, 2005

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                                S Offline
                                Shog9 0
                                wrote on last edited by
                                #15

                                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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                                • R Raj Lal

                                  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^

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                                  D Offline
                                  David ONeil
                                  wrote on last edited by
                                  #16

                                  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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                                  • R Raj Lal

                                    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^

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                                    R Offline
                                    Roman Nurik
                                    wrote on last edited by
                                    #17

                                    d? ill delete after you reply

                                    r -€

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                                    • R Raj Lal

                                      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^

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                                      Ashley van Gerven
                                      wrote on last edited by
                                      #18

                                      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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                                      • D David ONeil

                                        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?

                                        A Offline
                                        A Offline
                                        Ashley van Gerven
                                        wrote on last edited by
                                        #19

                                        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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                                        • R Raj Lal

                                          Excellent , if you have waited a bit you would have seen a lot of mixed answers :) My first article^

                                          A Offline
                                          A Offline
                                          Ashley van Gerven
                                          wrote on last edited by
                                          #20

                                          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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