Question

6. A car travels first 30 km with a uniform speed of
60 km h and then next 30 km with a uniform speed
of 40 km h . Calculate : (i) the total time of journey,
(ii) the average speed of the car.​

Answer 1

The total time is 2hours and speed is 100km.

Step-by-step explanation:

The total time =

60km/hr=1hour

40km/hr=1hour=1+1=2hour

The speed of car=

60+40=100