You might have seen many challenges on facebook to complete a task and tag your friend. You decide to complete a task, then tag and challenge three of your friends. Second day, they tag other three friends decide to complete a task, then tag and challenge three of your friends. Second day, they tag other three friends. But if each of them tags three friends on third days suddenly nine people have completed the challenge … then 27 … and then 81, then 243, and so on each day.
a) How many People would have been tagged after 10 days?
b) How many days it will take to cross 1 lakh people?
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Step-by-step explanation:
528 number 1st
52 days number 2nd
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