I'm posting one puzzle, riddle, math, or statistical problem a day. Try to answer each one and post your answers in the comments section. I'll post the answer the next day. Even if you have the same answer as someone else, feel free to put up your answer, too!

Think of this as a long string of digits, ignoring the commas: 483759264837???

Instead of separating this string into groups of three (as above), separate it into groups of four: 4837, 5926, 4837, ???...

There is a pretty clear pattern here: the four-digit number 4837 is followed by the four-digit number 5926, then the sequence is repeated. So the completed sequence would be: 4837, 5926, 4837, 592...

Which, in three-digit groupings, is: 483, 759, 264, 837, 592

So the next number is 592.

Note: The sequence 48375926... can be broken into two digit groups as well, with a more visible pattern, and yielding the same result: 48, 37 (subtract 11) 59 (add 22), 26 (subtract 33), 48 (add 22), 37 (subtract 11), 59 (add 22), 26 (subtract 33), and so forth.

first numbers last 2 digits (83) and seconds numbers first digit (7) make fourth (837), so fifth will be second numbers last two digits (59) and third numbers first digit (2) so 592,

for same reason third numbers last digit (4) is first numbers first digit. number before first will end on 26. and the first digit of number before first will be 9. seconds numbers last digit. number before first one is 926

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Here is the pattern I could find:

ReplyDeleteThink of this as a long string of digits, ignoring the commas:

483759264837???

Instead of separating this string into groups of three (as above), separate it into groups of four:

4837, 5926, 4837, ???...

There is a pretty clear pattern here: the four-digit number 4837 is followed by the four-digit number 5926, then the sequence is repeated. So the completed sequence would be:

4837, 5926, 4837, 592...

Which, in three-digit groupings, is:

483, 759, 264, 837, 592

So the next number is 592.

Note:

The sequence 48375926... can be broken into two digit groups as well, with a more visible pattern, and yielding the same result:

48,

37 (subtract 11)

59 (add 22),

26 (subtract 33),

48 (add 22),

37 (subtract 11),

59 (add 22),

26 (subtract 33),

and so forth.

You found the pattern! I thought this one would stump everyone. I was stumped the first time I saw it, so I thought it was very difficult.

ReplyDeleteThis comment has been removed by the author.

ReplyDelete483, 759, 264, 837

ReplyDeletefirst numbers last 2 digits (83) and seconds numbers first digit (7) make fourth (837), so fifth will be second numbers last two digits (59) and third numbers first digit (2) so 592,

for same reason third numbers last digit (4) is first numbers first digit. number before first will end on 26. and the first digit of number before first will be 9. seconds numbers last digit. number before first one is 926