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+--- Thread: Bongard Problems (/showthread.php?tid=3267)
RE: Bongard Problems - Demon - 03-14-2014 01:22 PM
(03-14-2014 01:12 PM)TheGreatErenan Wrote: The only thing I can think of, though I really doubt this is the correct solution, is that if you treat them as hexadecimal numbers and convert to binary, then the number of 1's is divisible by 3 in Group A but not in Group B.
I'm just going to assume that's true, since I don't feel like testing that at 11:30 at night, but even so, there's a much simpler answer.
RE: Bongard Problems - Dabestbro - 03-14-2014 04:02 PM
(03-14-2014 12:32 PM)Demonwind66 Wrote: Here's one for math types, though this might be too much
Group A
1331
1943
5337
1703
0547
Group B
6553
4697
2690
1573
6479
Group A is Prime, Group B is not?
RE: Bongard Problems - Demon - 03-14-2014 08:04 PM
Ooh. You're getting close. You'll notice that 5337 is divisible by 3, but you're on the right track.
RE: Bongard Problems - Dabestbro - 03-15-2014 07:48 AM
The first two numbers in group A are prime, the first two numbers in group B are composite?
RE: Bongard Problems - .Memories. - 03-15-2014 08:03 AM
(03-15-2014 07:48 AM)Dabestbro Wrote: The first two numbers in group A are prime, the first two numbers in group B are composite?
Has to be something with all the items of each set, not just a subset.
RE: Bongard Problems - [PETA] Doodat - 03-15-2014 08:14 AM
How about this:
1331 is 11^3
1943 is 29*67
5337 is 3^2*something
1703 isn't prime
0547 is prime.
Idk if that will help anyone
RE: Bongard Problems - Demon - 03-15-2014 08:17 AM
(03-15-2014 08:14 AM)[PETA] Doodat Wrote: How about this:
1331 is 11^3
1943 is 29*67
5337 is 3^2*something
1703 isn't prime
0547 is prime.
Idk if that will help anyone
Yep that's the answer *sarcasm*
A lot of you are on the right track, you just need to . . . break things down.
RE: Bongard Problems - Flarp55 - 03-15-2014 09:24 AM
If you split each 4-digit number into 2 2-digit numbers, then Group A splits into 2 primes, and Group B doesn't.
RE: Bongard Problems - Demon - 03-15-2014 09:46 AM
(03-15-2014 09:24 AM)Bbobb555 Wrote: If you split each 4-digit number into 2 2-digit numbers, then Group A splits into 2 primes, and Group B doesn't.
We have a winner! Now someone else make one.
RE: Bongard Problems - Alvendor - 03-17-2014 05:00 AM
I'll have a try
Group A:
Sharkfood Island
Skull Duggery
Long Nine
Group B:
Reaper
Glitch
Blitz Beach