A train 360 m long is running at a speed of 72 km/hr. In what time will it pass a bridge 140 m long?
Pick one
A) 40 sec B) 29 sec C) 25 sec D) 27 sec E) 34 sec
Speed = 72 * 5/18= 
<gadget id="calculator">72 * 5/18</gadget>
<output>20</output>
20 m/sec   Total distance covered= 360 + 140= 
<gadget id="calculator">360 + 140</gadget>
<output>500</output>
500 m   Required time= 500 * 1/20= 
<gadget id="calculator">500 * 1/20</gadget>
<output>25</output>
25 sec   Answer: 25 sec
<result>C</result>
A train 360 m long is running at a speed of 72 km/hr. In what time will it pass a bridge 140 m long?