For a G.P. sum of first 3 terms is 125 and next 3 terms is 27. Find the value of r

If for a G.P First terms is (27)^2 and seventh term is 8^2 . Find S_8 .

In an A.P. 19th term is 52 and 38th term is 128. Find the sum of first 56 terms.

In a G.P, the fourth term is 48 and the eighth term is 768. Find the tenth term.

In an A.P. 19th term is 52 and 38th term is 128 . Find the sum of first 56 terms.

Sum of first 55 terms in an A.P is 3300 . Find its 28th term.

An A.P has its 4th term as -15 and 9th term as -30 . Find the sum of first 10 numbers.

The sum of four consecutive terms of an A.P. is 2. The sum of the 3rd and 4th terms is 11. Find the terms.