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? Choose the most appropriate option
A) 50	B) 45	C) 60	D) 55	E) 53
As half the circle shape consist of 40-10= 
<gadget id="calculator">40-10</gadget>
<output>30</output>
30 boys,   So total number of boys in full circle=2*30= 
<gadget id="calculator">2*30</gadget>
<output>60</output>
60   ANSWER: 60
<result>C</result>
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?