state gov DDA Assistant Section Officer (ASO) Mock Test 2023 Quantitative Aptitude Speed Time and Distance Relative Speed
The distance between two station A and B is 1000 km. A train starts from A and moves towards B at an average speed of 60 km/hr. Another train starts from B, 2 hours later than the train from A, and moves towards A at an average speed of 50 km/hr. When will the two trains cross each other after A starts journey?
1
12 hours
2
10 hours
3
8.5 hours
4
11.5 hours