Find `t_(n)` for an A.P. 1,7,13, 19,……….

Find t_(n) for the A.P. 3, 8, 13, 18, …

Find t_n for the A.P. 3,8,13,18,…

Find the value of t_(7)+t_(9) for the A.P. 7, 13, 19, 25,.

Find the term t_(10) of an A.P. : 4,7,10,………..

Show that t_(n) for the A.P. 13,18,23,28,…. Is 5n+8.

Find t_(n) for following A.P., and then find 30th term of A.P. 3,8,13, 18,…….

Find t_(n) for following A.P., and then find 30th term of A.P. 3,8,13, 18,…….

Find the number of terms in the following A.P. 7, 13, 19,…..205

Find the common difference of the A.P 7, 13, 19,……… . Also find the first term.

Find the indiated terms in each of the following A.P. (i) 1, 7, 13, 19 ,…, 301 , a_(10) , a_(20) (ii) a= 22 , d = - 3, a_(n) , a_(30)