It takes 5 minutes to pass a rumor from one form one person to another person. The Tree of Rumour continues. How many persons would know the Rumour after 20 minutes?
It takes 5 minutes to pass a rumor from one form one person to another person. The Tree of Rumour continues. How many persons would know the Rumour after 20 minutes?
ایک افواہ کو ایک شخص سے دوسرے شخص تک پہنچانے میں 5 منٹ لگتے ہیں۔ افواہوں کا درخت جاری ہے۔ 20 منٹ کے بعد کتنے لوگوں کو افواہ کا پتہ چل جائے گا؟
Explanation
After 5 mins ..... 3 persons will get the rumor
After 10 mins .... 3x2 + 3 = 9
persons will get after 15 = 9x2 + 9 =27
after 20 mins..... 27 x2 + 27 = 81
ND-21-5-2023