If the total distance of a journey is 120 km .If one goes by 60 kmph and comes back at 40kmph what is the average speed during the journey?
A). 42 kmph
B). 44 kmph
C). 48 kmph
D). 50 kmph
1. How many minutes does Aditya take to cover a distance of 400 m, if runs at a speed of 20 kmph?
4. A speed of 30.6 km/hr is the same as:
5. Which of the following car is moving fast?
10. If a train, travelling at a speed of 90 kmph, crosses a pole in 5 sec, then the length of train is?