Question
Download Solution PDFA man riding on a bicycle at a speed of 21 km/h crosses a bridge in 6 minutes. Find the length of the bridge?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
Speed of the man (S) = 21 km/h
Time taken to cross the bridge (T) = 6 minutes
Formula used:
Distance (D) = Speed (S) × Time (T)
Calculation:
Convert time from minutes to hours:
6 minutes = 6/60 hours = 0.1 hours
Distance (D) = 21 km/h × 0.1 hours
⇒ D = 2.1 km
∴ The correct answer is option 1.
Last updated on Jul 16, 2025
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