What is 2/5 of 5/9 of 1/2?	Choose the correct answer
A) 1 / 4  B) 1 / 9  C) 9 / 16  D) 5 / 8  E) 16 / 9

Rationale: "2 / 5 * 5 / 9 * 1 / 2 = 1 / 9 answer : b"
Answer: B