Question

A car travels first 30 km with a uniform speed of
60 km h-1 and then next 30 km with a uniform speed
of 40 km h-1. Calculate : (i) the total time of journey,
(ii) the average speed of the car.
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Answer 1

Answer:

द टोटल टाइम ऑफ जर्नी इज 1.25 hourswhile the average speed of the car is equal to total distance of point total time does 30 + 30 is equal to 60 km and total time is 1.25 hours so 65 1.25 hence the average speed of the car is equal to 48 kilometre per hour