People were sitting in a circle.7th one is direct opposite to 18th one..Then how many were there in that group?	Pick one:
A) 21
B) 22
C) 23
D) 24
E) 20
7 th one is exactly opposite represents half of circle. with 7 and 18 total members are 12   for remaing half=12*2-2(7th and 18th(already taken))=22   ANSWER:22
<result>B</result>
People were sitting in a circle.7th one is direct opposite to 18th one..Then how many were there in that group?