Question

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

Answer 1

Answer

Average speed = a+b/2

30 + 20/2

50/2

25 km/h - is the answer

{ When distance and time are not

given then we use the formula a+b/2

To calculate average speed, where a

and b are the respective speed of the

object or the person.}

____________________________

Peace!

Answer 2

Answer:

24 KM/Hr

Explanation:

= X + Y / 2 (X Y)

= 20+30 / 2 ( 20*30)

= 50/ 2 (600)

=50/1200

= 24 KM/Hr

Note: Question Correction Return speed 30 KM/Hr