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 answers:
A) 2  B) 3  C) 76  D) 6  E) 1
D = 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.Answer: 3
<result>B</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?