Teaching DSSSB PRT Special Educator Mock Test Quantitative Aptitude Speed Time and Distance Relative Speed
A car travelling at a speed of 72 km/hr is 4 km behind a bus. After 20 minutes, it will be 2 km ahead of bus. Find the speed of the bus.
1
54 kmph
2
57 kmph
3
60 kmph
4
63 kmph