Question

1) A train takes 1 hour to go from one station to the
other. It travels at a speed of 30 km/h for the
first half hour and at the speed of 40 km/h for
the next half hour. The average speed of the
train is:​

Answer 1

Explanation:

<font color=red>Average speed = total distance traveled / total time taken

Distance traveled in first 1/2 hour = 20*1/2=10 km

Distance traveled in second 1/2 hour = 30*1/2= 15 km

Total distance = 25km

∴ Average speed = 25 km/hr

Answer 2

Answer:

35 km/h

Explanation:

FOR EXPLANATION SEE ABOVE IMAGE

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