The speeds of 3 trains in the ratio 4:12:24. The ratio between time taken by them to travel the same distance is?  Pick:  A) 6:2:1  B) 1:2:3  C) 4:8:9  D) 6:5:2  E) 4:8:7
Ratio of time taken is = 1/4 : 1/12 : 1/24 = 6:2:1   6:2:1nswer is 6:2:1
<result>A</result>
The speeds of 3 trains in the ratio 4:12:24. The ratio between time taken by them to travel the same distance is?