All the students of class are told to sit in circle shape. Here the boy at the 5 th position is exactly opposite to 20 th boy. Total number of boys in the class?  Pick one.
A) 30
B) 40
C) 45
D) 25
E) 20
30s half the circle shape consist of   20-5= 
<gadget id="calculator">  20-5</gadget>
<output>15</output>
15 boys,   So total number of boys in full circle=2*15= 
<gadget id="calculator">2*15</gadget>
<output>30</output>
30   30NSWER:30
<result>A</result>
All the students of class are told to sit in circle shape. Here the boy at the 5 th position is exactly opposite to 20 th boy. Total number of boys in the class?