Chandigarh express of 100 m runs at a speed of 60 km/hr. What will be the time taken to cross a platform of 150 meters long?
Select the correct option.
A) 11.00 sec B) 12.50 sec C) 15.00 sec D) 15.23 sec E) 5.23 sec
EXPLANATION:   Given: Length of train = 100 m, speed of train = 60 km/hr, length of platform = 150 m   1) Always remember first step is the conversion of units.   15.00 seconvert 60 km/hr into m/s by multiplying it with (5/18)   Speed of the train = 60 x	5/18=16.66 m/s   2) Distance covered by the train in passing the platform = (Length of train + Length of platform) = (100 + 150)= 
<gadget id="calculator">(100 + 150)</gadget>
<output>250</output>
250 m   Therefore,   The time taken=	Distance/Speed   = 250/16.66   = 15 sec   ANSWER IS 15.00 sec
<result>C</result>
Chandigarh express of 100 m runs at a speed of 60 km/hr. What will be the time taken to cross a platform of 150 meters long?