The sum to infinity of a G.P.is `4` times the first term.Then the common ratio

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

The sum of 6 terms of G.P.is 9 times its sum of three terms.Find the common ratio.

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 the first eight terms of a G.P. is five xx the sum of the first four terms; then the common ratio is

The sum of first 12 terms of a G.P. is five times the sum of the first 6 terms. Find the common ratio.

The sum of first 6 terms of a G.P. is nine times the sum of the first 3 terms. Find the common ratio.

Sum of an infinite G.P. is 5/4 times the sum of all the odd terms. The common ratio of the G.P. is

The sum of the first 10 terms of a certain G.P. is equal to 244 xx the sum of the first 5 terms.Then the common ratio is

Sum of an infinitely manu terms of a G.P. is 3 times the sum of even terms. The common ratio of the G.P. is