A train 100 m long crosses a platform 125 m long in 15 sec; find the speed of the train?
Choices:
A) 36 B) 77 C) 54 D) 33 E) 99
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
<result>C</result>
A train 100 m long crosses a platform 125 m long in 15 sec; find the speed of the train?