istemihan 0 Posted November 7, 2015 Report Share Posted November 7, 2015 123402345334564?567806788378986which number is '?'. Quote Link to post Share on other sites
1 Solution Hao 0 Posted November 15, 2015 Solution Report Share Posted November 15, 2015 I guess the answer is 45673.The key to last digit is: 12-3*4 = 0, 23-4*5=3, 34-5*6 = 4, our number's last digit is: 45-6*7=3. Quote Link to post Share on other sites
1 istemihan 0 Posted November 9, 2015 Author Report Share Posted November 9, 2015 Ok, the answer is 45673. Do you want me to explain why? Quote Link to post Share on other sites
0 istemihan 0 Posted November 8, 2015 Author Report Share Posted November 8, 2015 Nothing fits, but guessing this:Hidden ContentNope, sorry But way think is not far away from the answer. Quote Link to post Share on other sites
0 GGGG 0 Posted November 8, 2015 Report Share Posted November 8, 2015 What is the answer???? Quote Link to post Share on other sites
0 Thalia 64 Posted November 9, 2015 Report Share Posted November 9, 2015 Isn't that what bonanova said? Quote Link to post Share on other sites
0 Ccei 0 Posted November 16, 2015 Report Share Posted November 16, 2015 The reason why it is 45673 is that the numbers are 12340, 23453, 34564, ?, 56780and so on.every other last number is 3. The first numbers go in order by 4 numbers at a time.1234234534564567and so on Quote Link to post Share on other sites
0 bonanova 85 Posted November 17, 2015 Report Share Posted November 17, 2015 I guess any number of rules (which may be mathematically equivalent) give that answer.Would like to hear from istemihan on his. Quote Link to post Share on other sites
-1 bonanova 85 Posted November 8, 2015 Report Share Posted November 8, 2015 Nothing fits, but guessing this:1234023453 (40+13)34564 (53+11)45673 (64+ 9)56780 (73+ 7)67883 should be 67885 ? (80+ 5)78986 should be 78988 ? (85+ 3) Quote Link to post Share on other sites
Question
istemihan 0
12340

23453
34564
?
56780
67883
78986
which number is '?'.
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