A train 100 m long crosses a platform 100 m long in 12 sec; find the speed of the train?	Choose the correct choice: A) 60 kmph B) 65 kmph C) 54 kmph D) 16 kmph E) 18 kmph
D = 100 + 100= 
<gadget id="calculator">100 + 100</gadget>
<output>200</output>
200   T= 12   S = 200/12 * 18/5= 
<gadget id="calculator">200/12 * 18/5</gadget>
<output>60</output>
60 kmph   60 kmphnswer:60 kmph
<result>A</result>
A train 100 m long crosses a platform 100 m long in 12 sec; find the speed of the train?