Question

.A man reaches his home town, 150 km away from his city, at 30 km
per hour and returns again to his city at 50 km per hour. What is the
ime
man's average speed for the double journey in m/s?​

Answer 1

Answer:

The answer is:

Step-by-step explanation:

Time for 150 km in 30km/hr:150÷30=5 hrs

Time for going city again:150÷50=3 hrs

Now,

Total distance=150+150=300 km

And, Total time=(5+3)hrs=8 hrs

Now average speed=300/8=37.5km/h