954,080 Members — Technology Publication meets Social Media
Username:
Password:
Lost login information?
Have something to say? Contribute New Article Reply to this Article

Math Boggle: $5 PayPal

This is just a small lil math boggler I thought of :) I will PayPal $5 to the first person who can solve the following riddle:

See if you can use only four 9s, and any combination of addition, subtraction, multiplication, and division, to come up with a value of 100.

cscgal
The Queen of DaniWeb
Administrator
19,421 posts since Feb 2002
Reputation Points: 1,474
Solved Threads: 229
 

DON'T READ Until you think about it :)


Ok... here is what I think...
99 + 9/9

:) you never said you couldn't put the 9s together. hehee...


Ed

This is just a small lil math boggler I thought of :) I will PayPal $5 to the first person who can solve the following riddle: See if you can use only four 9s, and any combination of addition, subtraction, multiplication, and division, to come up with a value of 100.
cosi
Junior Poster
153 posts since Aug 2004
Reputation Points: 17
Solved Threads: 1
 

Too easy, eh? cosi's right :) Congrats hehe.

cscgal
The Queen of DaniWeb
Administrator
19,421 posts since Feb 2002
Reputation Points: 1,474
Solved Threads: 229
 

I would of said ((9/.9)*9)/.9=100

speedomansam
Newbie Poster
5 posts since Aug 2004
Reputation Points: 10
Solved Threads: 0
 

maan this cosi guy gets em all lol

we want the money tooooo :( :P:P:P

crypter
Light Poster
37 posts since Jul 2004
Reputation Points: 10
Solved Threads: 0
 

Nice, cosi. :)

rixius
Posting Whiz in Training
233 posts since Nov 2003
Reputation Points: 12
Solved Threads: 3
 

i think its not that tough!

answer is : 99 + 9/9 = 100


hope i l get my prize very soon!

This is just a small lil math boggler I thought of :) I will PayPal $5 to the first person who can solve the following riddle: See if you can use only four 9s, and any combination of addition, subtraction, multiplication, and division, to come up with a value of 100.
naiveprogrammer
Newbie Poster
1 post since Nov 2004
Reputation Points: 10
Solved Threads: 0
 

Sorry :( Cosi already solved it months ago :) Hehe

cscgal
The Queen of DaniWeb
Administrator
19,421 posts since Feb 2002
Reputation Points: 1,474
Solved Threads: 229
 
Sorry Cosi already solved it months ago Hehe

lmao! :) That is hilarious.

talkfreelance
Junior Poster in Training
98 posts since Jan 2005
Reputation Points: 13
Solved Threads: 0
 
This is just a small lil math boggler I thought of :) I will PayPal $5 to the first person who can solve the following riddle: See if you can use only four 9s, and any combination of addition, subtraction, multiplication, and division, to come up with a value of 100.

lol..

Fahmid
Newbie Poster
8 posts since Jul 2006
Reputation Points: 10
Solved Threads: 0
 

This article has been dead for over three months

Post: Markdown Syntax: Formatting Help
You