state gov DSSSB Junior Clerk Mock Test Quantitative Aptitude Speed Time and Distance Problem on Trains
Two trains of the same length running at a speed of 72 km per hour and 48 km per hour cross each other in exactly 12 sec. What is the length of both trains? (Crosses in opposite direction.)
1
250 m
2
200 m
3
350 m
4
300 m