A train 190 m long passed a pole in 10 sec. How long will it take to pass a platform 1200 m long?  Choose the correct choice:
A) 80
B) 73
C) 78
D) 67
E) 56
Speed = 190/10= 
<gadget id="calculator">190/10</gadget>
<output>19</output>
19 m/sec.   Required time= (190 + 1200)/19 = 73 sec.   Answer: Option 73
<result>B</result>
A train 190 m long passed a pole in 10 sec. How long will it take to pass a platform 1200 m long?