Goto the eInvesting Home Page
Home    Investing Forums    Edit Your Profile    Manage Your Portfolio    View the Rankings    Learn about the Simulator

Welcome to eInvesting! You've found the coolest stock market game on the web. At eInvesting you compete for monthly cash prizes while you interact, make virtual dollars, purchase items, and trade in the realistic stock market simulator. We make investing FUN!

Join now and and start trading right away!
Log In to make this message disappear!

 
  ::  Register  ::  Log in  ::  Log in to check your private messages
Purchase e$ Purchase e$ Virtual Store Virtual Store FAQ  FAQ      Search Search  
 
 
www.eInvesting.com Forum Index » e$ Incentives

Math Challenges... solve and win e$1000


Post new topic Reply to topic Goto page Previous  1, 2, 3 ... 37, 38, 39, 40, 41  Next
Math Challenges... solve and win e$1000 « View previous topic :: View next topic »
Author Message
Dave Rathbun
PostPosted: Mon Feb 19, 2007 5:07 pm Post subject: Reply with quote

CFO
CFO

Joined: 10 Apr 2005

Posts: 3690
This Month: 0
Location: Texas
395489.28 e$

Net worth: 538,829.28
Portfolio Value: 0.00
Monthly Return:
0.00%
Trades this month: 0
Churn Rate: 0.00%

Items

You've got too many operations. Smile You should be able to do it in six "pours" only...
Back to top
conbrio
PostPosted: Mon Feb 19, 2007 5:55 pm Post subject: Reply with quote

Investing Sr. Associate
Investing Sr. Associate

Joined: 12 Nov 2005

Posts: 134
This Month: 0

186.56 e$

Net worth: 52,627.56
Portfolio Value: 49,341.00
Monthly Return:
0.16%
Trades this month: 0
Churn Rate: 0.00%

Items

doh, should read more carefully
Back to top
Dave Rathbun
PostPosted: Mon Feb 26, 2007 5:33 am Post subject: Reply with quote

CFO
CFO

Joined: 10 Apr 2005

Posts: 3690
This Month: 0
Location: Texas
395489.28 e$

Net worth: 538,829.28
Portfolio Value: 0.00
Monthly Return:
0.00%
Trades this month: 0
Churn Rate: 0.00%

Items

No answer yet... Wink
Back to top
Dave Rathbun
PostPosted: Thu Mar 01, 2007 4:03 pm Post subject: Reply with quote

CFO
CFO

Joined: 10 Apr 2005

Posts: 3690
This Month: 0
Location: Texas
395489.28 e$

Net worth: 538,829.28
Portfolio Value: 0.00
Monthly Return:
0.00%
Trades this month: 0
Churn Rate: 0.00%

Items

Anybody have an idea?
Back to top
BallJacker
PostPosted: Sun Mar 04, 2007 12:24 pm Post subject: Reply with quote

Investing Manager
Investing Manager

Joined: 02 Nov 2005

Posts: 511
This Month: 0
Location: Kalifornia
84545.83 e$

Net worth: 512,299.83
Portfolio Value: 173,250.00
Monthly Return:
-11.45%
Trades this month: 0
Churn Rate: 0.00%

Items

i think Con Brio is correct, your math book is quite vague sometimes.
Back to top
Dave Rathbun
PostPosted: Sun Mar 04, 2007 3:14 pm Post subject: Reply with quote

CFO
CFO

Joined: 10 Apr 2005

Posts: 3690
This Month: 0
Location: Texas
395489.28 e$

Net worth: 538,829.28
Portfolio Value: 0.00
Monthly Return:
0.00%
Trades this month: 0
Churn Rate: 0.00%

Items

The operations may be correct, but there were too many of them. You should be able to come up with a series of "pours" that ends up with the required percentages in just six steps. Smile
Back to top
BallJacker
PostPosted: Sun Mar 04, 2007 4:42 pm Post subject: Reply with quote

Investing Manager
Investing Manager

Joined: 02 Nov 2005

Posts: 511
This Month: 0
Location: Kalifornia
84545.83 e$

Net worth: 512,299.83
Portfolio Value: 173,250.00
Monthly Return:
-11.45%
Trades this month: 0
Churn Rate: 0.00%

Items

Dave Rathbun wrote:
The operations may be correct, but there were too many of them. You should be able to come up with a series of "pours" that ends up with the required percentages in just six steps. Smile


Yeah but are the pours from the main casks considered pours? I remember a similar problem but it was with paint and buckets. Same idea, but if you dont count the out pours from the 100L casks, you shoud get six.
Back to top
Dave Rathbun
PostPosted: Sun Mar 04, 2007 4:58 pm Post subject: Reply with quote

CFO
CFO

Joined: 10 Apr 2005

Posts: 3690
This Month: 0
Location: Texas
395489.28 e$

Net worth: 538,829.28
Portfolio Value: 0.00
Monthly Return:
0.00%
Trades this month: 0
Churn Rate: 0.00%

Items

Every operation - including those from the 100L casks - is counted.

Here is a hint: the inclusion of the 25L cask is a red herring; you do not need it to solve the challenge in six pour operations.
Back to top
BallJacker
PostPosted: Mon Mar 05, 2007 5:29 pm Post subject: Reply with quote

Investing Manager
Investing Manager

Joined: 02 Nov 2005

Posts: 511
This Month: 0
Location: Kalifornia
84545.83 e$

Net worth: 512,299.83
Portfolio Value: 173,250.00
Monthly Return:
-11.45%
Trades this month: 0
Churn Rate: 0.00%

Items

Benjamin owns three casks of 100 liters, one of 50, and one of 25. The 100 liter casks are filled with Burgundy, Bordeaux, and Algerian wine respectively. The small casks are empty.

To make three qualities of wine, Benjamin mixes the three wines, using the five casks exclusively.

After six operations the three large casks are again full. The first is 1/4 Burgundy, 1/2 Bordeaux, and 1/4 Algerian. The second is 1/4 Bordeaux, 1/4 Algerian, and 1/2 Burgundy. The last is 1/2 Algerian, 1/4 Burgundy, and 1/4 Bordeaux.


1. Pour 50L of Burgandy from 100L cask to 50L cask.
2. Pour 50L of Bordeaux from 100L cask to 50L cask of Burgandy. Creating a 50/50 mix.
3. Pour 50L of Algerian from 100L cask to 50L cask of Bordeaux. Creating a 50/50 mix.
4. Pour 50L of Burgandy/Bordeaux mix to 100L cask Algerian. Completing the third mix.
5. Pour 50L Bordeaux/Algerian to the Burgandy/Bordeaux cask. Completing the second mix.
6. Pour the Burgandy in the 50L cask to the Bordueax/Algerian mix, creating the first mix.

Since you gave a hint, Dave, I'll take half of the prize.
Back to top
Dave Rathbun
PostPosted: Mon Mar 05, 2007 6:03 pm Post subject: Reply with quote

CFO
CFO

Joined: 10 Apr 2005

Posts: 3690
This Month: 0
Location: Texas
395489.28 e$

Net worth: 538,829.28
Portfolio Value: 0.00
Monthly Return:
0.00%
Trades this month: 0
Churn Rate: 0.00%

Items

BallJacker wrote:
Since you gave a hint, Dave, I'll take half of the prize.

Nope, Grim gave me his money to give away, and that's what I aim to do. Smile I'll pay out the full amount.

Thanks for reminding me about payouts... I never paid off the image for the What Am I? contest either, because I was waiting to post the other pictures first.

I will take care of both of these tonight. Cool
Back to top

Dave Rathbun
PostPosted: Mon Mar 05, 2007 6:15 pm Post subject: Reply with quote

CFO
CFO

Joined: 10 Apr 2005

Posts: 3690
This Month: 0
Location: Texas
395489.28 e$

Net worth: 538,829.28
Portfolio Value: 0.00
Monthly Return:
0.00%
Trades this month: 0
Churn Rate: 0.00%

Items

BallJacker, your e$5,000 prize money has been awarded. Next puzzle will be posted shortly.
Back to top
Dave Rathbun
PostPosted: Mon Mar 05, 2007 6:20 pm Post subject: Reply with quote

CFO
CFO

Joined: 10 Apr 2005

Posts: 3690
This Month: 0
Location: Texas
395489.28 e$

Net worth: 538,829.28
Portfolio Value: 0.00
Monthly Return:
0.00%
Trades this month: 0
Churn Rate: 0.00%

Items

e$ Challenge #54
Compete for e$5000! (The prize amount was increased starting with e$ Challenge #15, and then again to e$5,000 with #52.) Solve the puzzle and win! ... first winning answer to each puzzle. Some of the puzzles are going to be actual math problems, others require logical thinking instead. Each puzzle comes from a book I bought a while back. The rules:
  • The answer in the book is final. Blame the publisher, not me, if you don't agree Smile
  • The first person to post the correct answer wins. Posting only, no PM's please.
  • Edited posts are disqualified, even if you have the correct answer. The most recent (last) post by you for that puzzle is the only one that will be used, so if you need to make corrections simply enter another post for the challenge.
  • You cannot win two challenges in a row, so the previous winner is not eligible for the next challenge.
  • You may win more than one challenge, just not two in a row.
I will try to post one puzzle every other day. The puzzle will be posted first, then the following day (if available) a winner will be announced. Then the arguments or discussion about the solution can commence. Razz If no correct solution has been provided then the puzzle will be extended until a winning solution is provided. The puzzles get more challenging as we get further into the book.

Grand Prize
The book has 100 puzzles. Each individual winner gets one lottery ticket per win. Once all 100 puzzles have been posted (and solved) I will draw three winning tickets from a hat. Each winner will get to pick one of 3 mystery portfolios. The portfolio will have an initial value of e$2000 as of the end of February, 2006. Each has been invested as completely as possible into one stock from the S&P 500 chosen at random. The winners will have no idea which portfolio is worth the most. The first person drawn will get their pick of all 3 portfolios, the second drawn picks from between the two remaining, and the third drawn gets stuck (or lucky) with the last one available. The holding will be sold at current market price as of the end of the contest and the e$ transferred into your account. Your name may be drawn more than once, so the more e$ challenges you win, the better your chances of winning one of the three portfolios. Cool

The stocks were randomly selected and purchased at market open March 1, 2006. e$2000 worth of shares of each of them were put into a secret account. These will become the grand prize portfolios, and the final value will be determined at market close on the day the last puzzle is solved and the e$ prize awarded.

Thanks for playing

Ready?

Here's your 53rd e$ Challenge Puzzle!
    How many ways can you read OSLO off of the following diagram, using letters that touch each other? Any "O" can be both the first and the last letter in the same OSLO.
    Code:

          O
        O L O
      O L S L O
    O L S O S L O
      O L S L O
        O L O
          O



Winner Hall of Fame
e$ Challenge Winner #1 Iceemaan
e$ Challenge Winner #2 nelaina
e$ Challenge Winner #3 conbrio
e$ Challenge Winner #4 geb9696
e$ Challenge Winner #5 CJ. Wentworth
e$ Challenge Winner #6 Im Not Warren Buffett
e$ Challenge Winner #7 CJ. Wentworth
e$ Challenge Winner #8 conbrio
e$ Challenge Winner #9 Im Not Warren Buffett
e$ Challenge Winner #10 conbrio
e$ Challenge Winner #11 Im Not Warren Buffett
e$ Challenge Winner #12 CJ. Wentworth
e$ Challenge Winner #13 rodder4hire
e$ Challenge Winner #14 The Jersey Devil
e$ Challenge Winner #15 conbrio
e$ Challenge Winner #16 The Jersey Devil
e$ Challenge Winner #17 emkie
e$ Challenge Winner #18 CJ. Wentworth
e$ Challenge Winner #19 InvestingMac
e$ Challenge Winner #20 emkie
e$ Challenge Winner #21 toys4tots16
e$ Challenge Winner #22 InvestingMac
e$ Challenge Winner #23 CJ. Wentworth
e$ Challenge Winner #24 nelaina
e$ Challenge Winner #25 emkie
e$ Challenge Winner #26 nelaina
e$ Challenge Winner #27 emkie
e$ Challenge Winner #28 MrT
e$ Challenge Winner #29 CJ. Wentworth
e$ Challenge Winner #30 conbrio
e$ Challenge Winner #31 MrT
e$ Challenge Winner #32 InvestingMac
e$ Challenge Winner #33 CJ. Wentworth
e$ Challenge Winner #34 Im Not Warren Buffett
e$ Challenge Winner #35 CJ. Wentworth
e$ Challenge Winner #36 MrT
e$ Challenge Winner #37 toys4tots16
e$ Challenge Winner #38 CJ. Wentworth
e$ Challenge Winner #39 MrT
e$ Challenge Winner #40 rino1
e$ Challenge Winner #41 CJ. Wentworth
e$ Challenge Winner #42 MrT
e$ Challenge Winner #43 SpiffWilkie
e$ Challenge Winner #44 MrT
e$ Challenge Winner #45 Nobody! Smile
e$ Challenge Winner #46 prederer
e$ Challenge Winner #47 conbrio
e$ Challenge Winner #48 MrT
e$ Challenge Winner #49 gnd0221186
e$ Challenge Winner #50 Kiman4
e$ Challenge Winner #51 conbrio
e$ Challenge Winner #52 MrT
e$ Challenge Winner #53 BallJacker

e$ Challenge Winner #54 ??? Your Name Here! ???

Remember to spread the winnings around, the previous winner (BallJacker) is not elegible to win the current challenge. The next puzzle will be posted on or after Wednesday, time permitting, or after this puzzle is solved, whichever comes later. Total e$ prizes paid to date: e$65,500 + One Barren Desert worth e$1125 + Two Barren Deserts worth a total of e$2970.
Back to top
BallJacker
PostPosted: Mon Mar 05, 2007 8:26 pm Post subject: Reply with quote

Investing Manager
Investing Manager

Joined: 02 Nov 2005

Posts: 511
This Month: 0
Location: Kalifornia
84545.83 e$

Net worth: 512,299.83
Portfolio Value: 173,250.00
Monthly Return:
-11.45%
Trades this month: 0
Churn Rate: 0.00%

Items

Dave Rathbun wrote:
BallJacker, your e$5,000 prize money has been awarded. Next puzzle will be posted shortly.


Wow $5k i thought it was only $1k. Very Happy
Back to top
Dave Rathbun
PostPosted: Mon Mar 05, 2007 9:58 pm Post subject: Reply with quote

CFO
CFO

Joined: 10 Apr 2005

Posts: 3690
This Month: 0
Location: Texas
395489.28 e$

Net worth: 538,829.28
Portfolio Value: 0.00
Monthly Return:
0.00%
Trades this month: 0
Churn Rate: 0.00%

Items

When Grim dumped his fortune on me a while back he suggested I could increase the prize money for the challenge topics I've been running. Smile So there you go.

Invest it Wisely™

Laughing
Back to top
dallyn
PostPosted: Sun Mar 11, 2007 3:59 pm Post subject: Reply with quote

Investing Sr. Associate
Investing Sr. Associate

Joined: 11 Mar 2007

Posts: 57
This Month: 0

20681.05 e$

Net worth: 29,491.50
Portfolio Value: 5,715.45
Monthly Return:
-0.91%
Trades this month: 0
Churn Rate: 0.00%

Items

Quote:
How many ways can you read OSLO off of the following diagram, using letters that touch each other? Any "O" can be both the first and the last letter in the same OSLO.


can they touch diagonally? or just up/down and side to side?
Back to top
Display posts from previous:
Post new topic Reply to topic Goto page Previous  1, 2, 3 ... 37, 38, 39, 40, 41  Next Page 38 of 41

www.eInvesting.com Forum Index » e$ Incentives » Math Challenges... solve and win e$1000
Jump to:  




Penny Stock Simulator | What are e$? | Forum Rules | FAQ | Manage Your eInvesting Portfolio | Privacy Policy | Links
PcTechTalk | Club-tC | Lost Discussion | World Class Designs | Xtreme Tuning | Statistical Trading | Advertise with eInvesting!


Before acting on any advice or program you find here at eInvesting.com we strongly recommend that you seek independent & professional legal, tax and investment advice as to whether it is suitable for your particular needs and circumstances. Failure to seek personally tailored, detailed, professional advice prior to acting could lead you to act contrary to your own best interests and could lead to loss of money. eInvesting.com is not responsible for your actions, so do it right!

Powered by:phpBB VERSION 59
© 2005, 2006 eInvesting.com