Find four numbers forming a geometric progression in which the third term is greater than the first term by 9 and the second terms is greater than the 4th by 18.

Find four numbers forming a geometric progression in which the third term is greater than the first term by 9, and the second term is greater than the 4^("th") by 18.

In an arithmetic progression, thrice the second term is equivalent to eighth term and the sum of fourth term and the seventh term is 9 greater than the ninth term. Find the AP.

In an AP, the 18th term is 20 more than the 13th term. If the fourth term is 22, find the AP.

Find the first term of a HP whose second term is (5)/(4) and the third term is (1)/(2) .

The first term of a geometrical progression is 32 and the fifth is 162. Its sixth term is :

Consider an infinite geometric series with first term 'a' and common ratio 'r'. If the sum is 4 and the second term is 3/4 then

Find the common difference of the AP in which 18th term is 10 less than the 20th term.

Consider an infinite geometric series with first term a and common ratio r. If its sum is 4 and the second term is ( 3)/( 4) , then :

There are five terms in an arrithmetic progression. the Sum of these terms is 55, and the fourth term is five more than the sum of the first two terms.Find the terms of the Arithmaetic progression.

In a Geometric progression the sum of first three terms is 14 and the sum of next three terms of it is 112. Find the Geometric progression.