Find the nth term of the following sequences (iii) 3, 8, 13, 18,...

Find the nth term of the following sequences
(iii) 3, 8, 13, 18,...
Solution :
  =  3, 8, 13, 18,...
we may see the common things followed in each term.
  =  (5 - 2), (10 - 2), (15 - 2), (20 - 2),...

nth term of the sequence is 5n - 2.