All the students of class are told to sit in circle shape. Here the boy at the 10 th position is exactly opposite to 40 th boy. Total number of boys in the class?	Select the correct option: A) 50 B) 45 C) 60 D) 55 E) 53

Rationale: "as half the circle shape consist of 40 - 10 = 30 boys , so total number of boys in full circle = 2 * 30 = 60 answer : c"
Answer: C