The difference between the fourth term and the first term of a Geometrical Progression is 52. If the sum of its first three terms is 26, then the sum of the first six terms of the progression is (1) 63 (2) 189 (3) 728 (4) 364
The difference between the fourth term and the first term of a Geometrical Progression is 52. If the sum of its first three terms is 26, then the sum of the first six terms of the progression is\\
(1) 63\\
(2) 189\\
(3) 728\\
(4) 364