Question

5. A train has to move 120 km distance by covering 40 km with a speed of 20 km/hr. What should be the speed fo
remaining distance so that average speed for entire journey is 40 km/hr?
Ans. 60 km/h
6. An aeroplane flies 200 km with a speed of 300 km/hr and nevt 200 km with a speed of 240 km/hr. Find the avera​

Answer 1

Answer:

60km/hr. the answer of the first question