Mathematics · Speed, Time and Distance
A train travelling at 90 km/h crosses another train, which has a 20-meter longer length and is travelling in the opposite direction at 72 km/h, in 12 seconds. If the smaller train crosses a railway bridge in 28 seconds, then find how much time it will take for the longer train to cross the same bridge.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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Correct answer
36 sec
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