A student gets 70% in one subject, 80% in the other. To get an overall of 75% how much should get in third subject.
Pick one: A) 75 % B) 25 % C) 45 % D) 55 % E) 65 %

Rationale: "a student gets 70 % in one subject , 80 % in the other . average of 2 subjects is 75 % , if they have equal weightage . to get an overall of 75 % , he should get 75 % in third subject to maintain same % age . . if they have equal weightage . answer : a"
Answer: A