SSC NTA Delhi University Non-Teaching 2021 Mock Test Quantitative Aptitude Speed Time and Distance Problem on Trains
Train P of length 123 m running with a speed of 46 km/h and Train Q of length 257 m running with a speed of 26 km/h. How long does it take for the trains to cross each other while running in the opposite direction?
1
32 seconds
2
76 seconds
3
19 seconds
4
57 seconds