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.