SOLUTION: A person got to know about a message at9.00 a.m through the telephone. Then he informed about the message in to another 3 persons at 9.15 a.m. each of the person who got to know a

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Question 1065486: A person got to know about a message at9.00 a.m through the telephone. Then he informed about the message in to another 3 persons at 9.15 a.m. each of the person who got to know about the message, inform it in to another 3 persons in every 15 minutes.In this way how many people got to know about the message at 10.30 a.m.?
Answer by ikleyn(52797) About Me  (Show Source):
You can put this solution on YOUR website!
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0     15     30      45      60     75      90     <--- minutes
1     3      9       27      81     243     729    <--- number of persons  


Calculate the sum.