The sum of the first two terms of a GP Is -4 and the fifth term is 4 times the third term.
Find the GP.

The sum of the first two terms of a GP Is -4 and the fifth term is 4 times the third term. Find the first term and the common ratio.

The sum of first 3 terms of a GP is 39/10 and their product Is 1. Find the terms.

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

The sum of first three terms of a G.P. is 16 and the sum of the next three terms is 128. Determine the first term, the common ratio and the sum to n terms of the G.P.

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

The sum of the first 4 terms of an A.P. is 56. The sum of the last 4 terms is 112. If its first term is 11, then find the number of terms.

The first term of an arithmetic sequence is 2 and the common difference is 4 . a) Find the sum of the first ten terms of this sequence. b) Find the sum of ten terms from the second term to the eleventh term. .c) Is it possible that the sum of any consecutive ten terms of the sequence is 500 why?

Find the sum of the first 10 terms of a GP, whose 3^rd term is 12 and 8^th term is 384.

Sum of the first five terms of an arithmetic sequence is 45. What is the third term? Write the first two terms. Write another arithmetic sequence having the sum of the first five terms as 45.

The sum of first 9 terms of an arithmetic sequence is 45 and the sum of first 18 terms is 171. Find the sum of 5^(th) to 14^(th) terms.