A train 100 m long crosses a platform 125 m long in 15 sec; find the speed of the train? Choices:  A) 87 kmph  B) 65 kmph  C) 54 kmph  D) 16 kmph  E) 18 kmph
D = 100 + 125= 
<gadget id="calculator">100 + 125</gadget>
<output>225</output>
225   T= 15   S = 225/15 * 18/5= 
<gadget id="calculator">225/15 * 18/5</gadget>
<output>54</output>
54 kmph   Answer:54 kmph
<result>C</result>
A train 100 m long crosses a platform 125 m long in 15 sec; find the speed of the train?