Mathematics · Speed, Time and Distance
A train overtakes two persons who are walking at 15 m/s and 35 m/s, respectively, in the same direction as that of the train in 20 seconds and 40 seconds, respectively. The length of the train is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1900 m
- 21000 m
- 3800 m✓
- 4700 m
Correct answer
800 m
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