One train is traveling 36 kmph and other is at 15 meters a second. Ratio of the speed of the two trains is?
Choose the correct option.
A) 5:4  B) 5:6  C) 5:0  D) 2:3  E) 5:1
36 * 5/18 = 15   10:15 =&gt; 2:3   Answer: 2:3
<result>D</result>
One train is traveling 36 kmph and other is at 15 meters a second. Ratio of the speed of the two trains is?