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A riddle about you.

Forums: Riddles, Mathematics
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oolongteasup
 
Reply Sat 1 Jan, 2011 06:27 am
If you read any further you must answer either question 1 or question 2.









ARE YOU SURE?



















1. Using all the numbers 2,4,4,5 once and any mathematical operators formulate 51.

2. Tell me anything.
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Type: Question • Score: 0 • Views: 1,853 • Replies: 13
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View best answer, chosen by oolongteasup
laughoutlood
 
  2  
Reply Sat 1 Jan, 2011 11:00 pm
@oolongteasup,
Quote:
ARE YOU SURE?


yes!
0 Replies
 
MonaLeeza
 
  2  
Reply Sun 2 Jan, 2011 12:07 am
@oolongteasup,
Quote:
2. Tell me anything.


I'll tell you anything. What do you want to know?
0 Replies
 
markr
  Selected Answer
 
  2  
Reply Thu 6 Jan, 2011 08:26 pm
@oolongteasup,
4! + 4! + 5 - 2 = 51
oolongteasup
 
  1  
Reply Fri 7 Jan, 2011 11:44 pm
@markr,
Glad I didn't ask a question about my two children, one of whom is a daughter born in August.

Oh dear , I left out a 4 in the original question.

Can anyone think of an answer involving 2,4,4,4,5?
markr
 
  1  
Reply Sat 8 Jan, 2011 02:05 am
@oolongteasup,
4! + 4! + 5 - 4/2 = 51
laughoutlood
 
  1  
Reply Sat 8 Jan, 2011 02:58 am
@markr,
Integral of (t^4.e^-t.dt) plus integral of (t^4.e^-t.dt) plus 4 minus 5mod2.
fobvius
 
  1  
Reply Sat 8 Jan, 2011 03:05 am
@laughoutlood,
(4+2)!! +4 -5mod4

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solipsister
 
  1  
Reply Mon 10 Jan, 2011 05:48 am
@oolongteasup,
Don't forget (4+4)!/ (4+2)! -5.

I wonder if there is an answer using only addition subtraction multiplication and division.
markr
 
  1  
Reply Tue 11 Jan, 2011 02:05 am
@solipsister,
There isn't.
laughoutlood
 
  1  
Reply Wed 12 Jan, 2011 01:53 am
@markr,
I'm pretty sure solipsister meant to include brackets.
laughoutlood
 
  1  
Reply Thu 20 Jan, 2011 12:49 am
@laughoutlood,
[(4x4) -2 ] x 4 -5 = 51
markr
 
  1  
Reply Fri 21 Jan, 2011 12:35 am
@laughoutlood,
You're right! I missed that...
0 Replies
 
laughoutlood
 
  1  
Reply Fri 21 Jan, 2011 02:47 am
@oolongteasup,
4!+4!-2+(5!/4!)

such coincidence, one of my children is a daughter born in august, was it on a wednesday
0 Replies
 
 

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