Find the common ratio of the GP whose first and last terms are 25 and `(1)/(625)` respectively and the sum of the GP is `(19531)/(625)`.

Find the common ratio of the G.P. whose first and last terms are 5 and (32)/(625) respectively and the sum of the G.P. is (5187)/(625) :

The common ratio, last term and sum of n terms of a G.P. are 2, 128 and 255 respectively. Find the value of n.

The common ratio, last term and sum of n terms of a G.P. are 2, 128 and 255 respectively. Find the value of n.

The sum of some terms of a G.P. is 315.The first term and the common ratio are 5 and 2 respectively,find the number of terms.

Let there be a GP whose first term is a and the common ratio is r.If A and H are the arithmetic mean and mean respectively for the first n terms of the GP,A.H is equal to

Find the sum of the first 5 terms of the G.P whose first term is 1 and common ration is 2/3.

The sum of some terms of G.P. is 315 whose first term and the common ratio are 5 and 2, respectively. Find the last term and the number of terms.

The sum of some terms of G.P. is 315 whose first term and the common ratio are 5 and 2, respectively. Find the last term and the number of terms.