A train 240 m long passed a pole in 24 sec. How long will it take to pass a platform 650 m long? Options.
A) 29	B) 89	C) 77	D) 55	E) 12
Speed = 240/24= 
<gadget id="calculator">240/24</gadget>
<output>10</output>
10 m/sec.   Required time= (240 + 650)/10= 
<gadget id="calculator">(240 + 650)/10</gadget>
<output>89</output>
89 sec.Answer:89
<result>B</result>
A train 240 m long passed a pole in 24 sec. How long will it take to pass a platform 650 m long?