The sum of the first three terms of the `G.P.` in which the difference between the second and the first term is `6` and the difference between the fourth and the third term is` 54`, is

In an A.P. the sum of the first ten terms is 210 and thee difference between the first and the last term si 36 . Fiind the first term in the A.P.

Find the sum off the terms of an infinite decreasing G.P. in which all the terms are positive, the first term is 4, and the difference between the third and fifth term is equal to 32/81.

Find the sum off the terms of an infinite decreasing G.P.in which all the terms are positive,the first term is 4, and the difference between the third and fifth term is equal to 3/81.

The sum of first three terms of a G.P. is 15 and sum of next three terms is 120. Find the sum of first n terms.

The sum of the first three terms of G.P. is 7 and the sum of their squares is 21. Determine the first five terms of the G:P.

The sum of the first three terms of a G.P. is 21 and the sum of the next three terms is 168. Find the sum of first five terms.

The sum of 6 terms which form an A.P. is 345. The difference between the first and last term is 55. Find the terms.

The sum of the first three terms of an Arithmeic Progression (A.P.) is 42 and the product of the first and third term is 52. Find the first term and the common difference.

The sum of first three terms of a G.P. is 7 and the sum of their squares is 21. Determine the first five terms of the G.P.