Question

What is the next number in this look and say sequence: 0, 10, 1110, 3110, 132110, 1113122110, 311311222110,?

Answer 1

zero is comprised of a digit, which is '0'.
Therefore for the second number, there is 1 '0', which makes 10. 
There is 1'1' digit and 1 '0' digit in 10 and therefore for the third number you get 1110. 
Continue on there is 3'1' digits and 1'0' digit and after you get fourth number 3110
there is 1'3'digit, 2'1'digit and 1'0' digit makes fifth number 132110.
then 1'1' digit , 1'3' digit ,1'2' digit ,2'1' digits and 1'0' digit form sixth number 1113122110
there is 3 '1' digits,1'3' digit 1'1' digit , 2'2' digits, 2'1' digits , 1'0' digit and you get seventh number 311311222110.therefor continue 1'3' digit, 2'1' digits, 1'3' digit,2'1' digits,3'2' digits, 2'1' digits and 1'0 digit and you get eighth number ie
ans to sequence is 13211321322110