
12012014, 02:48 PM

#1

Administrator
Join Date: Nov 2007
Location: Fayetteville, GA, USA
Posts: 3,017

Puzzle 15
This number puzzle has been making the rounds on social media. Perhaps you have seen it. It's got me stumped for now. Usually I'm pretty good at pattern recognition but this time I am clueless.
24 hour rule. (For the newbies, the ORR.net 24 hour rule means do not post the answer for 24 hours so that more members have a chance to enjoy the puzzle)
On edit: Yeah I figured it out. Easy. So what is the relationship between the numbers?



12012014, 04:46 PM

#2

Carl, nn5i
Join Date: Sep 2011
Location: Tallahassee, FL
Posts: 1,441

Hadn't seen it before, but not too tough.
__________________
 Carl



12012014, 06:57 PM

#3

Senior Member
Join Date: Jul 2013
Location: Douglasville, GA
Posts: 417

I got it figured out. More of a logic problem than a math problem.



12022014, 12:16 AM

#4

RV in 2016
Join Date: Apr 2014
Location: Patterson, CA (CA central Valley east of SF)
Posts: 92

Got it.
Whew!!! Thank goodness it didn't stump me like that parking lot puzzle did.
__________________
73,
Bill  W7JZE
"Dar"  XYL
(And our little Bichon Frisé "Sparkle")



12022014, 10:14 PM

#5

Senior Member
Join Date: Jul 2013
Location: Douglasville, GA
Posts: 417

The answer is: In each equation you add the two numbers together for the last 2 (or 1) digits in the answer. The first digit (or 2) in each answer is subtracting the two digits in the equation.
For example: 6 + 4 = ( )10. Subtract 6  4 = 2 ( ) answer  210
15 + 3 = ( ) 18 15  3 = 12 ( ) Answer 1218
Is that clear as mud?



12032014, 06:31 PM

#6

Senior Member
Join Date: May 2009
Location: Lafayette, LA
Posts: 507

I got it!!!
Of course I have also seen this problem before. Figured it out fairly quickly. It amazes me why sometimes I can get the answer so fast and then at other times no answer ever comes. My mind does work in mysterious ways....
__________________
Galen  KF5BET
Crysti  "the CHIEF"
Abbi  KF5BEW dd
Kendra  KF5FYS dd
Maggie  Cat chaser
2005 F250, 1996 Nomad



12032014, 08:01 PM

#7

Carl, nn5i
Join Date: Sep 2011
Location: Tallahassee, FL
Posts: 1,441

Quote:
Originally Posted by electricflyer
The answer is: In each equation you add the two numbers together for the last 2 (or 1) digits in the answer. The first digit (or 2) in each answer is subtracting the two digits in the equation.
For example: 6 + 4 = ( )10. Subtract 6  4 = 2 ( ) answer  210
15 + 3 = ( ) 18 15  3 = 12 ( ) Answer 1218
Is that clear as mud?

Stated somewhat more simply, it's the difference followed by the sum.
__________________
 Carl



12032014, 08:41 PM

#8

Senior Member
Join Date: Jul 2013
Location: Douglasville, GA
Posts: 417

Thanks for the better explanation Carl. I not much on math, my forte is mechanical aptitude.
Marv




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