A train 100 m long crosses a platform 125 m long in 15 sec; find the speed of the train?
Choices.
A) 91.2 kmph
B) 61.9 kmph
C) 45.9 kmph
D) 61.2 kmph
E) 71.2 kmph
61.2 kmph = 100 + 155= 
<gadget id="calculator">100 + 155</gadget>
<output>255</output>
255   T= 15   S = 255/15 * 18/5= 
<gadget id="calculator">255/15 * 18/5</gadget>
<output>306/5 = around 61.2</output>
61.2 kmph   ANSWER:61.2 kmph
<result>D</result>
A train 100 m long crosses a platform 125 m long in 15 sec; find the speed of the train?