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In reply to the discussion: Solve if you are genius [View all]Skip Intro
(19,768 posts)66. It is 12 because...
On the equals side of the list of equations, starting with 20 and going up, the difference between each starts with ten, (30-20) and increases by two.
Using that logic, if we move down from 20 on the same side, and figure the answer is the difference between 20 and 8, we end up with 12.
Maybe there's more than one answer, but that's one.
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a fraction of a second faster. My internet connection must be good tonight nt
NoGOPZone
Jun 2013
#36
I disagree strongly with the use of the equal sign here. Should be an arrow, or a colon.
reformist2
Jun 2013
#73
Types of infinity were about the point my brain started hurting in maths
muriel_volestrangler
Jun 2013
#149
They don't 'have to', but that is the traditional function - especially in puzzles.
kristopher
Jun 2013
#143
Do you seriously think your 'solution' is not only unambiguous, but actually 'better'
muriel_volestrangler
Jun 2013
#117
Totally took me in...Wish I'd seen it earlier. We had guests that I would love to have skunked
Rowdyboy
Jun 2013
#91
Apparently, not drooling is the only remaining qualification for being a "genius" anymore. n/t
Egalitarian Thug
Jun 2013
#100
6, for Pete's sake. Every number is multiplied by its predecessor (9X8; 8X7; 7X6; ....)
WinkyDink
Jun 2013
#133
There is, of course, no right answer and the psychology types here should...
TreasonousBastard
Jun 2013
#147
6 (The factors that aren't shown decrease by one sequentially.) 4(x3)=12 and 3(x2)=6
11 Bravo
Jun 2013
#158