If 60% of 3/5 of a number is 18, then the number is?
Choose the correct choice from the following options:
A) 80
B) 100
C) 75
D) 50
E) none of these

Rationale: "let the number be x . then 60 % of 3 / 5 of x = 18 60 / 100 * 3 / 5 * x = 18 x = ( 18 * 25 / 9 ) = 50 required number = 50 . correct option : d"
Answer: D