A train 350 m long passed a pole in 35 sec. How long will it take to pass a platform 650 m long? Options
A) 100 sec  B) 89 sec  C) 85 sec  D) 16 sec  E) 15 sec
Speed = 350/35= 
<gadget id="calculator">350/35</gadget>
<output>10</output>
10 m/sec.   Required time= (350 + 650)/10= 
<gadget id="calculator">(350 + 650)/10</gadget>
<output>100</output>
100 sec.   100 secnswer: 100 sec
<result>A</result>
A train 350 m long passed a pole in 35 sec. How long will it take to pass a platform 650 m long?