In a group of 100 people,60 like volleyball,50 like hockey. How many like both volleyball and hockey?  Options.
A) 20	B) 15	C) 10	D) 5	E) 25
Make a Venn diagram, and enter your data.   Let the number of people who like both volleyball and hockey be x   60-x+x+50-x = 100   x = 10   so number who like both volleyball and hockey = 10   Answer 10
<result>C</result>
In a group of 100 people,60 like volleyball,50 like hockey. How many like both volleyball and hockey?