train having a length of 240 metre passes a post in 24 seconds. How long will it take to pass a platform having a length of 650 metre?	Pick one:  A) 89 sec  B) 100 sec  C) 90 sec  D) 85 sec  E) 99 sec
speed = 240/24= 
<gadget id="calculator">240/24</gadget>
<output>10</output>
10 m/s   req time= 240+650/10 = 89 sec   89 secNSWER 89 sec
<result>A</result>
train having a length of 240 metre passes a post in 24 seconds. How long will it take to pass a platform having a length of 650 metre?