Question

a train 50 m long at a speed of 30 km/hr takes 36 second to cross a bridge. what is the length of the bridge.

Answer 1

Answer:

v=30km/hr, 50/6m/s

Explanation:

s/v=t

let the length of bridge be x

50+X/50/6=36

300+6x=36*50

6x=1800-300

6x=1500

X=300m

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Therefore option D is correct answer.