Find the last term of a G.P whose first term is 9 and common ratio is ( 1/3 ) if the sum of the terms of the G.P is ( 40/3 )	Choose the correct answer.
A) 1 / 3 B) 2 / 5 C) 1 / 4 D) 2 / 3 E) 4 / 5

Rationale: sum of the g . p . = ( first term - r * last term ) / 1 – r 40 / 3 = 9 – 1 / 3 ( last term ) / 2 / 3 last term = ( - 40 / 3 * 2 / 3 + 9 ) * 3 = - 80 / 3 + 27 = 1 / 3 answer : a
Answer: A