A train 260 m long passed a pole in 13 sec. How long will it take to pass a platform 740 m long?	Answers
A) 50 sec  B) 55 sec  C) 60 sec  D) 65 sec  E) 70 sec
Speed = 260/13= 
<gadget id="calculator">260/13</gadget>
<output>20</output>
20 m/sec.   Required time= (260 + 740)/20= 
<gadget id="calculator">(260 + 740)/20</gadget>
<output>50</output>
50 sec   50 secnswer:50 sec
<result>A</result>
A train 260 m long passed a pole in 13 sec. How long will it take to pass a platform 740 m long?