state gov Patna High Court Assistant 2023 Mock Test Quantitative Aptitude Speed Time and Distance Problem on Trains
The length of Train A is \(4\over5\) of the length of Train B. The speeds of A and B are 63 km/h and 45 km/h, respectively. Trains A and B take 15 seconds to cross each other completely when running in opposite directions. How much time (in seconds) will Train C of length 160 m, running at a speed of 90 km/h, take to cross Train A when both the trains are running in the same direction?
1
42
2
50
3
45
4
48