A rumor is spread as follows. The originator calls two people.Each of these people phones three friends,each of whom in turn calls five associates. If no one receives more than one call, and no one calls the originator, how many people now know the rumor? How many phone calls were made?

Question

anonymous · Answer

This is what I got 
First round: 1
Second round: 2
Third round: 6
Fourth round: 30

Total: 39.
38 calls

anonymous · Answer

you are right :) at least i think so anyways