Teaching KVS Junior Secretariat Assistant (LDC) Mock Test 2022 Quantitative Aptitude Speed Time and Distance Problem on Trains
A train 300 m long takes 40 seconds to cross a platform 900 m long, what is the speed (m/s) of the train?
1
30 m/sec
2
108 m/sec
3
72m/sec
4
36 m/sec