In what time will a train 175 m long cross an electric pole, it its speed be 144 km/hr?
Choose the most appropriate option:
A) 2.58 sec B) 2.91 sec C) 4.37 sec D) 2.9 sec E) 1.8 sec
Speed = 144 * 5/18= 
<gadget id="calculator">144 * 5/18</gadget>
<output>40</output>
40 m/sec   Time taken= 175/40   = 4.37 sec.   Answer:4.37 sec
<result>C</result>
In what time will a train 175 m long cross an electric pole, it its speed be 144 km/hr?