If 40% of 3/5 of a number is 36, then the number is?  Pick:	A) 80	B) 150	C) 75	D) 90	E) none of these

Rationale: "let the number be x . then 40 % of 3 / 5 of x = 36 40 / 100 * 3 / 5 * x = 36 x = ( 36 * 50 / 12 ) = 150 required number = 150 . correct option : b"
Answer: B