A train 120 m long crosses a platform 220 m long in 20 sec; find the speed of the train?
Select:
A) 87 kmph B) 65 kmph C) 54 kmph D) 61 kmph E) 18 kmph
61 kmph = 120 + 220= 
<gadget id="calculator">120 + 220</gadget>
<output>340</output>
340   T= 20   S = 340/20 * 18/5 = 61 kmph   Answer:61 kmph
<result>D</result>
A train 120 m long crosses a platform 220 m long in 20 sec; find the speed of the train?