Two trains 180 meters and 120 meters in length are running towards ea…

Question

Two trains 180 meters and 120 meters 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…

Accepted Answer

Option B. 9 seconds. Answer & Solution Answer: Option B Solution: & Time taken by trains to cross each & other in opposite direction & = l_1 + l_2 relative speed in opposite direction & = ( 180 + 120 ) ( 65 + 55 ) & = 300120 × 518 & = 9 seconds

Two trains 180 meters and 120 meters 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?

Solution