Teaching DSSSB PRT Special Educator Mock Test Quantitative Aptitude Speed Time and Distance Problem on Trains
The ratio between the speeds of two trains is 2 ∶ 7. If the first train runs 350 km in 2 hours, then the sum of the speeds (in km/h) of both the trains is:
1
750.5
2
775
3
787.5
4
780.5