Mathematics · Speed, Time and Distance
A train X travelling at 60 km/h overtakes another train Y, 225 m long, and completely passes it in 72 seconds. If the trains had been going in opposite directions, they would have passed each other in 18 seconds. The length (in m) of X and the speed (in km/h) of Y a re, respectiv ely:
- 1245 and 36
- 2245 and 54
- 3255 and 40
- 4255 and 36✓
Correct answer
255 and 36
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