Find the sum of indicated number of terms in each of the following A.Ps.
(ii) `-0.5, -1.0, -1.5,` ....., 10 terms.

Find the sum of indicated number of terms in each of the following A.P . -0.5,-1.0,-1.5,"…."10 terms .

Find the sum of indicated number of terms in each of the following A.Ps. (iii) -1, 1/4, 3/2,....10 terms.

Find the sum of indicated number of terms in each of the following A.Ps. (i) 16, 11, 6, ......, 23 terms.

Find the sum of indicated number of terms in each of the following Aps (i) 16, 11,6,….., 23 terms (ii) -0.5, -1.0, -1.5 ,………,10 terms (iii) -1,1/4,3/2 ,…..10 terms

Find the number of terms in each of the following Aps : (ii) 18, 15(1)/(2), 13, …., -47

Find the sum to indicated number of terms in each of the geometric progressions in 0.15, 0.015, 0.0015 ,.........20 terms .

Find the sum of the following APs. (iii) 0.6, 1.7, 2.8, ………. to 100 terms.

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

Find the sum to indicated number of terms in each of the geometric progressions in x^3,x^5,x^(7), .........n terms (if x ne pm 1 )

Find the sum to indicated number of terms in each of the geometric progressions in Exercises 1, - a, a^2, - a^3, .......n terms (if a ne -1 )