The speeds of three motor bikes are in the ratio 12 : 4 : 2. The ratio between the time taken by them to travel the same distance is : Choose the correct answer.
A) 1 : 3 : 4 B) 1 : 3 : 6 C) 1 : 2 : 6 D) 1 : 3 : 5 E) 1 : 4 : 6
Ratio of time taken :   1/12 :1/4 : 1/2 = 1 : 3 : 6   ANSWER:1 : 3 : 6
<result>B</result>
The speeds of three motor bikes are in the ratio 12 : 4 : 2. The ratio between the time taken by them to travel the same distance is :