A boy takes 2 hours to reach his school from the house which is 3 km a – InterviewSolution

InterviewSolution

1.	A boy takes 2 hours to reach his school from the house which is 3 km away from it and takes 90 minutes to come back from school to his house. Calculate the average speed of the boy.
Answer» A boy takes $2$ hours to reach his school from the house which is $3 k m$ away from it and takes $90$ minutes to come back from school to his house. Calculate the average speed of the boy.

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