One train is traveling 45 kmph and other is at 10 meters a second. Ratio of the speed of the two trains is?	Choose the correct choice from the following answers:
A) 5:4
B) 5:6
C) 5:0
D) 5:4
E) 5:1
45 * 5/18 = 10   25:20 =&gt; 5:4   5:4nswer: 5:4
<result>A</result>
One train is traveling 45 kmph and other is at 10 meters a second. Ratio of the speed of the two trains is?