engineering recuitment DRDO Technician A 2022 Mock Test Series (Tier I) Quantitative Aptitude Speed Time and Distance Problem on Trains
A person sitting in a train travelling at a speed of 72 km/h is crossed by another train of length 525 m travelling in the opposite direction in 15 seconds, then find the speed of the second train in km/h.
1
36
2
54
3
60
4
66