A train 345 m long passed a pole in 15 sec. How long will it take to pass a platform 760 m long?  Choose the correct choice
A) 76 sec  B) 43 sec  C) 45 sec  D) 15 sec  E) 16 sec
Speed = 345/15= 
<gadget id="calculator">345/15</gadget>
<output>23</output>
23 m/sec.   Required time= (345 + 760)/23   = 48 sec.   Answer:43 sec
<result>B</result>
A train 345 m long passed a pole in 15 sec. How long will it take to pass a platform 760 m long?