What is 3/4 of 4/5 of 2/3? Choices:
A) 1 / 4
B) 2 / 5
C) 9 / 16
D) 5 / 8
E) 16 / 9

Rationale: "3 / 4 * 4 / 5 * 2 / 3 = 2 / 5 answer : b"
Answer: B