A group of medical interns at Bohemus Medical School want to go on dates. There are 5 girls and 5 guys. Assuming girls go on dates with guys, how many possible ways can these 10 medical interns date each other?  Choose the correct choice from the following
A) 10  B) 25  C) 60  D) 90  E) 120
1st girl can go with 5 guys   2nd girl can go with remaining 4   3rd girl can go with remaining 3 and so on   so the total ways are 5!= 120   120 should be the answer
<result>E</result>
A group of medical interns at Bohemus Medical School want to go on dates. There are 5 girls and 5 guys. Assuming girls go on dates with guys, how many possible ways can these 10 medical interns date each other?