state gov PSTCL/PSPCL Clerk Mock Test 2021 Quantitative Aptitude Speed Time and Distance Problem on Trains
The speed of the passenger train is 144 km/hr. If they cross a platform and a man standing on the platform in 50 seconds and 20 seconds respectively. What is the length of the platform?
1
1200 m
2
800 m
3
1000 m
4
600 m