Question

Q3)
A train 180 m long crosses a standing man in 12 seconds
Find the speed of the train in km per hour.​

Answer 1

Answer:

180/12=5kmhr

Step-by-step explanation:

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Answer 2

Distance covered by the train in crossing the man = 180 m

time taken = 12 seconds

speed of the train = D/T = ( 180/12) m/sec

$\frac{180}{12} \times \frac{18}{5} = 54$

Hence, the speed of the train is 54 km/hr..