insurence exam UIIC Assistant Mock Test 2023 Quantitative Aptitude Speed Time and Distance Problem on Trains
Two trains A and B each of 120 m in length, run in opposite directions with a velocity of 40 m/s and 20 m/s respectively. How long after the meeting of front ends will it take for the tail ends of the two trains to meet each other during the course of their journey?
1
9 seconds
2
4 seconds
3
2 seconds
4
Cannot be determined
5
None of these