railway DFCCIL MTS 2025 Mock Test Series Quantitative Aptitude Speed Time and Distance Relative Speed
Two donkeys are standing 400 meters apart. First donkey can run at a speed of 3 m/sec and the second can run at 2 m/sec. If two donkeys run towards each other after how much time (in sec) will they bump into each other?
1
60
2
80
3
400
4
40