Mathematics · Speed, Time and Distance
Train M crosses a signal post in 5y seconds, and the same train crosses a 600 m long platform in 9y seconds. If the speed of Train M is 25 m/s, and it crosses Train N running in the opposite direction in 20 seconds, and the length of Train N is 450 m, then find the speed of Train N.
- 145 m/s
- 240 m/s
- 335 m/s✓
- 430 m/s
Correct answer
35 m/s
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