Question

7) Ram walks to his school
which is at a distance of 3 km
from his home in 30 minutes.
On reaching he finds that the
school is closed and comes
back by bicycle with his friend
and reaches home in 20
minutes. His average speed in
km/h is:
O
8.3
O 7.2
0 5.0
O 3.6​

Answer 1

Answer:

7.2.................hope it help you

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Answer 2

Explanation:

Boojho Home to school to again home

From home to school distance is 3 km time taken is 30 min = (30/60) hour = 0.5 hour

And in returning from school to home time taken = 20 min = (20/60) hour = 0.33 hour

average speed = Total distance / time taken

= (3 + 3)/(0.5 + 0.33) km/h

= 7.2 km/h