23 people are there, they are shaking hands together, how many hand shakes possible, if they are in pair of cyclic sequence.	Pick one
A) 22	B) 23	C) 44	D) 46	E) 45
last member can shake with the 1st one.   hence (n-1+1)=23   ANSWER:23
<result>B</result>
23 people are there, they are shaking hands together, how many hand shakes possible, if they are in pair of cyclic sequence.