Find the sum of first 8 terms of the G>P.10,5,`(5)/(2)`,………

Find the sum of first n terms of the G.P. 5, -3, (9)/(5), -(27)/(25), …

Find the sum of first six terms of the G.P. 5, 15, 45, …

Find the sum of first five terms of the G.P 5,15,45…..

Find the sum of first five terms of the G.P. 1,2,4, ….

The second term of a G.P.is 3 and fifth term is (81)/(8) find the eighth term.Find the sum of first 15 terms of the G.P.1,2,4,8,.......

Find the sum of first 10 terms of the A.P. 4+6+8+………

The sum of the first ten terms of the A.P. 15,10,5,….is……

What is the sum of first 10 terms of the A.P. 15, 10 ,5 ….?