40 persons like apple. 7 like orange and mango dislike apple. 10 like mango and apple and dislike orange. 5 like all. How many people like apple?	Pick one:  A) 48  B) 46  C) 54  D) 58  E) 62

Rationale: "orange + mango - apple = 7 mango + apple - orange = 10 apple = 40 orange + mango + apple = 5 40 + 10 + 5 - 7 = 48 like apple answer : a"
Answer: A