2010 · Q17
Two trains of lengths 100 m and 150 m are traveling in opposite directions! at speeds of 75 kmph and 50 kmph respectively. What is the time taken by them to cross each other?
Elementary MathematicsTime and Distance
- A7.4 s
- B7.2 s
- C7 s
- D6.8 s
Explanation
Total length 250 m at 125 kmph = 34.72 m/s; time = 7.2 s.