group-icon
Tough Puzzles & Brain Teasers
Puzzles on logic and mathematics that will make you scratch your head.
79 Members
Join this group to post and comment.
Aswini Vi
Aswini Vi
Computer Science
13 Feb 2019

What is the next number in the sequence?

Find the next number in the following sequence?

1   11   21   1211    111221   312211  --------?

3mos ago

13112221

1 read as one one=11

11 read as two ones=21

...

312211 read as one three two twos two ones = 132221