Two trains each of 1160 meters are running in opposite directions with same speed. If they cross each other in 20 seconds, then what is the speed of each train in Km per second?
- 257.2 Km/hour
- 260 Km/hour
- 208.8 Km/hour
- None of these
Explanation
Total distance covered by both trains = 1160 + 1160 = 2320 meters
Time taken to cross each other = 20 seconds
Relative speed (combined speed of both trains) = Total distance / Time = 2320 / 20 = 116 meters/second
Since both trains have the same speed, the speed of each train = Relative speed / 2 = 116 / 2 = 58 meters/second
Convert meters/second to km/second: 58 / 1000 = 0.058 km/second (approximately)
Convert km/second to km/hour: 0.058 * 3600 = 208.8 km/hour
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