Question

3. A train of length 360 m crosses a pole in 18 sec, then what is the speed of the
train ?
1) 90 km/hr 2) 72 km/hr 3) 120 km/hr 4) 80 km/hr
​

Answer 1

Answer:

2) 72 km/hr

Explanation:

Length of train=360m

Time taken to cross pole=18 sec

Speed= length/time

=360/18

=20 m/s

=20 x 18/5 km/hr

=72 km/hr

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