Find the indicated term(s) of the following A.P.' s :
a=3 ,d=2, `a_10, a_n`.

Find the indicated term(s) of the following A.P.' s : a= 1/5, d= 2/3 ,a_18, a_n .

Find the indicated term(s) of the following A.P.' s : n-1, n-2, n-3, ............. , a_m .

Find the indicated term(s) of the following A.P.' s : -1,-2-3,-4, .........., t_100 .

Find the indicated term(s) of the following G.P.'s : 12, 8, 16/3, ………….., t_(6), t_(10) .

Find the sum of indicated number of terms of the following A.P.’s : 5, 2, -1, - 4, -7, ......., n terms.

Find the sum of indicated number of terms of the following A.P.’s : 2, 4, 6, ......., 100 terms.

Find the sum of indicated number of terms of the following A.P.’s : -1, 1/4, 3/2 , ....... , 81 terms.

Find the sum of indicated number of terms of the following A.P.’s : - 0.5,-1.0, -1.5 , ............ , 10 terms, 50 terms .

Find the sum of indicated number of terms of the following A.P.’s : x+y, x-y, x -3y, .... , 22 terms .

Find the terms indicated in the following case : a_n = 4n-3 , a_17, a_24 .