In an examination 35% of the students passed and 260 failed. How many students appeared for the examination? Choose the correct choice from the following answers.
A) 540 B) 400 C) 700 D) 650 E) 840

Rationale: "let the number of students appeared be x then , 65 % of x = 260 65 x / 100 = 260 x = 260 * 100 / 65 = 400 answer is b"
Answer: B