There are 20 persons at a party. Each person shakes hands with some
of the persons at the party. Let K be the number of persons who shook
hands with odd number of persons. What is a possible value of K?
Note: This is from ISI entrance.
This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.
No explanations have been posted yet. Check back later!