A train of 24 carriages, each of 60 meters length, when an engine also of 60 meters length is running at a speed of 60 kmph. In what time will the train cross a bridge 1.5 km long?	Choose the correct choice from the following options
A) 5 mins	B) 1 mins	C) 8 mins	D) 3 mins	E) 6 mins
3 mins   3 mins   3 mins = 25 * 60 + 1500= 
<gadget id="calculator">25 * 60 + 1500</gadget>
<output>3_000</output>
3000 m   T= 3000/60 * 18/5= 
<gadget id="calculator">3000/60 * 18/5</gadget>
<output>180</output>
180 sec= 3 mins
<result>D</result>
A train of 24 carriages, each of 60 meters length, when an engine also of 60 meters length is running at a speed of 60 kmph. In what time will the train cross a bridge 1.5 km long?