A train which is 150m. long passes a platform of 200 m in 15 sec. What is the speed of the train?
Select
A) 36 km/hr
B) 64 km/hr
C) 84 km/hr
D) 91 km/hr
E) 95 km/hr
total distance cover by train in 15sec=150+200m   speed=distance/time   speed=350/15(m/s)   speed in km/hr=350/15*18/5= 
<gadget id="calculator">350/15*18/5</gadget>
<output>84</output>
84km/hr   ANSWER:84 km/hr
<result>C</result>
A train which is 150m. long passes a platform of 200 m in 15 sec. What is the speed of the train?