If 60% of 3/5 of a number is 36, then the number is?
Choose the most appropriate option:  A) 80  B) 100  C) 75  D) 90  E) none of these

Rationale: "let the number be x . then 60 % of 3 / 5 of x = 36 60 / 100 * 3 / 5 * x = 36 x = ( 36 * 25 / 9 ) = 100 required number = 100 . correct option : b"
Answer: B