A train 100 m long crosses a platform 250 m long in 7 sec; find the speed of the train?	Choices
A) 94 kmph  B) 58 kmph  C) 54 kmph  D) 180 kmph  E) 59 kmph
180 kmph = 100 + 250= 
<gadget id="calculator">100 + 250</gadget>
<output>350</output>
350   T= 7   S = 350/7 * 18/5= 
<gadget id="calculator">350/7 * 18/5</gadget>
<output>180</output>
180 kmph   Answer:180 kmph
<result>D</result>
A train 100 m long crosses a platform 250 m long in 7 sec; find the speed of the train?