Mathematics · Speed, Time and Distance
A train running at 90 km/h crosses another train of length 400 m running towards it on parallel tracks at 80 km/h in 18 seconds. How much time will it take to pass a 450 m long tunnel?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 128 seconds
- 232 seconds
- 334 seconds✓
- 436 seconds
Correct answer
34 seconds
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