A boy runs for 10 min. at a uniform speed of 9 km/hr. At what speed should he run for the next 20 min. so that the average speed comes 12 km/hr?
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boy run 10 minutes
speed=9km/hr
speed=9km/hr
tejashree2512:
pls help me with this question
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hey
here is ur answer
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see the pics
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I hope this will help
#Prem✴✌✴✌✴✴
here is ur answer
▶▶▶▶▶
see the pics
➡➡➡➡➡
I hope this will help
#Prem✴✌✴✌✴✴
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thankss
my pleasure
(^_^)
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