Two A.P. 's have the same common difference. The first term if ine if these is 3, and that of the other is 8. What is the difference between their

3 answers

What is the difference between their
a) 2nd terms? b) 4th terms?
c) 10th terms? d) 30th terms?
the difference increases by 5 for each term.
a) 5 (3,3+d,3+2d :: 8,8+d,8+2d)
and so on
In an AP the nth term is a=2n-1 then the fifth term is