Mathematics · Speed, Time and Distance
A train P takes 15 seconds to cross a man standing on platform 'X' and 22 seconds to cross the same platform 'X'. Another train 'Q' takes 20 seconds to cross a man standing on the same platform 'X'. What is the sum of the lengths of train 'P', train 'Q' and the platform 'X' if the speeds of trains 'P' and 'Q' are 72 km/h and 36 km/h, respectively?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1680 m
- 2560 m
- 3740 m
- 4640 m✓
Correct answer
640 m
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