The sum of the third and the seventh terms of an AP is 6 and their product is 8. find the sum of first sixteen terms of the AP.

If the sum of first 7 terms of an AP is 49 and that of 17 terms is 289, find the sum of first n terms.

In a GP, the sum of the first three terms is 5, and the sum of the next three terms is 625. Find the sum of the first n terms of the GP.

The sum of first three terms of a G.P. is 39/10 and their product is 1. Find the common ratio and the terms.

The sum of first three terms of a G.P. is 13/12 and their product is – 1. Find the common ratio and the terms.

The sum of the 4^(th) and 8^(th) terms of an AP is 24 and the sum of the 6^(th) and 10^(th) terms is 44. find the first three terms of the AP.

The n^(th) term of an A.P is p and the sum of the first n terms is s. The first term is

If the sum of the first 14 terms of an AP is 1050 and its first term is 10, find the 20^(th) term.

If the sum of the first 10 terms of an A.P. is 1,200 and First term is 30. Then find the 6^(th) term.