Question

A boy goes from his house to school by bus at a speed of 20 km per hour and returns back through the same route at a speed of 30 km per hour. The average speed of his journey is ​

Answer 1

Explanation:

A boy goes from his house to school by bus at a speed of =20km per hour

He returns back through the Same route at a speed of=30km per hour

So, the average speed of his journey is=20+30=50

2÷50=25

25 is the average speed of his journey