[" 3.The first term of a GP is "27" and its "8" th term is "(1)/(81)" .Find the sum of its firstin "],[" terms."]

The first term of a GP is 27 and its 8th terms is 1/81 . Find the sum of its first 10 terms.

The first term of a G.P. is 27 and its eight term is (1)/(81) . Find the sum of its first 10 terms.

The first term of G.P. is 27 and 8th term is 1/81 . Find the sum of its first 10 terms.

The second term of a GP is 24 and its fifth term is 81. Find the sum of its first five terms.

3^(rd) term of a G.P is 27 and its 6^(th) term is 729, find the product of its first and 7^(th) terms.

If the first term of a GP is 729 and 7th term is 64, then the sum of its first seven terms is

If the first term of a G.P. is 729 and its 7^(th) term is 64, then the sum of first seven terms is

The 12th term of an AP is -13 and the sum of its first four terms is 24. Find the sum of its first 10 terms.

If the sum of the first 9 terms of an A.P. is 81 and that of the first 18 terms is 324, find the sum of its first n terms.

The first term of a G.P. in 27. If the 8^(th) term be (1)/(81) , what will be the sum of 10 terms ?