A train 100 m long crosses a platform 125 m long in 1 sec; find the speed of the train?  Options.
A) 810  B) 700  C) 930  D) 100  E) 200
D = 100 + 125= 
<gadget id="calculator">100 + 125</gadget>
<output>225</output>
225   T= 15   S = 225/1 * 18/5= 
<gadget id="calculator">225/1 * 18/5</gadget>
<output>810</output>
810 kmph   810nswer: 810
<result>A</result>
A train 100 m long crosses a platform 125 m long in 1 sec; find the speed of the train?