state gov Bihar LRC Clerk Mock Test 2023 Quantitative Aptitude Speed Time and Distance Problem on Trains
Train A crosses the Platform M in 20 sec and Train B crosses the another Platform N in 30 sec. If they cross each other in 10 sec. Train A is moving with a speed of 30 m/s and Platform M length is 300 m and length of Train B is 200 m. Find the Length of platform N.
1
400 m
2
300 m
3
200 m
4
600 m