engineering recuitment BARC Stipendiary Trainee Category II 2023 Mock Test Quantitative Aptitude Speed Time and Distance Average Speed
A train travel distance of the first 20 km in 2 hours after that 15 km in 3 hours and remaining 37 km in 4 hours, then find the average speed of the train in the whole journey.
1
10 km/h
2
8 km/h
3
9 km/h
4
12 km/h