Mathematics · Speed, Time and Distance
Train P crosses a signal post in 20 seconds. Train Q crosses Train P (coming from the opposite direction) in 18 seconds. The length of Train P is 50% of the length of Train Q. If the speed of Train Q is 35 m/s, then in how much time will Train P and Train R cross each other when running in opposite directions, given that the length of Train R is 150 m and its speed is 100% more than Train P?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 115 seconds
- 212 seconds
- 38 seconds
- 410 seconds✓
Correct answer
10 seconds
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