Q219
Two trains 180 metres and 120 metres in length are running towards each other on parallel tracks, one at the rate 65 km/hr and another at 55 km/hr. In how many seconds will they be cross each other from the moment they meet ?
A.
6 seconds
B.
9 seconds
AnswerC.
12 seconds
D.
15 seconds
Answer: Option B
Solution
Answer: Option B
Solution:
Time taken by trains to cross each other in opposite direction