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

The sum of first 8 terms of a G.P. is five times the sum of the first 4 terms. Find the common ratio.

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.

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

the sum of the first six terms of a GP is 9 times the sum of the first three terms. The common ratio is

The sum of first 6 terms of a G.P. is 9 times the sum of its first 3 terms. Find the common ratio of the G.P.

If the sum of the first ten terms of an A.P is four times the sum of its first five terms, the ratio of the first term to the common difference is:

If the sum of the first ten terms of an A.P is four times the sum of its first five terms, the ratio of the first term to the common difference is: