# Find the missing digit in the sequence 0110100011111?0011000011011 [closed]

What digit would you put in place of question mark in the below sequence and why?

0110100011111?0011000011011

P.S. Hint: 0=1, 1=0,...

## closed as too broad by AzaAug 11 '16 at 16:14

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• Not prime: $55035419=2896601^{1}19^{1}$; $55043611=419^{1}383^{1}7^{3}$ – Jonathan Allan Aug 11 '16 at 13:24
• The missing digit should be 0 or 1. lol – Arulkumar Aug 11 '16 at 13:41
• @Arulkumar: We don't know that. There are 27 digits, which might suggest a grouping of 9 letters, each represented by a three-digit ternary number. – M Oehm Aug 11 '16 at 13:43
• I would place a 0 - because it looks good. Don't you think you need to narrow down the puzzle a bit? As it is worded now, there is not a single clue of what would be "correct". Say "...because I wanted the number to be like Pi" or "...because I wanted the number NOT to be Pi" are equally valid! – BmyGuest Aug 11 '16 at 15:39
• Hello! I've put this question on hold for now as too broad, because I'm not sure this question sufficiently limits the scope of possible answers. If you can find a way to rebuild this puzzle so that it has a limited number of objectively correct answers, please feel free to edit it! – Aza Aug 11 '16 at 16:16

Might be number is

0

Because

bitwise XOR operation

011 ^ 010 = 001

111 ^ 100 = 011

000 ^ 011 = 011

• No, it was not intended! Moreover, in your logic I see an imbalance in the number of digits on both the sides, i.e., (3+2+1+7)=(4+3+0+3+3), which I would avoid in any case! – Hitesh Dholaria Aug 11 '16 at 16:03
• @Hitesh I have modified my question. – user26522 Aug 12 '16 at 10:01
• @Anjan seems correct! +1 – z100 Aug 12 '16 at 11:36

I guess this is too simple thought..

But I go with

0

because

the parity bit is 1 and there are already 13 '1'

• I rather posted this as comment, but I don't have enough rep – Alucard.cH Aug 11 '16 at 15:37
• Unfortunately, it is not the right answer! – Hitesh Dholaria Aug 11 '16 at 15:48
• @HiteshDholaria Ha-ha, ok, so the answer is 1 but still remains the question "why"? – rhsquared Aug 11 '16 at 15:50
• @RadoslavHristov I don't know why people think only in binary, sounds like a common psychology error, though it could be a trap as well :) – Hitesh Dholaria Aug 11 '16 at 15:54
• @HiteshDholaria Obviously it was meant as a joke. As the base is not mentioned it might be any digit from 0 up to F (assuming you are not using some exotic notations). – rhsquared Aug 11 '16 at 17:06