The first two terms of a G.P. are 125 and 25 respectively. Find the 5 th and the 6 th terms of the G.P.

Given, ⇒ a = 125 ⇒ a 2 = 25 ⇒ ar = 25 ⇒ 125r = 25 ⇒ r = . a 5 = ar 4 = = = a 6 = ar 5 = = = Hence,