question_answer

The speeds of three cars is in the ratio 2 : 3 : 4. The ratio of the time taken by these cars to travel the same distance is ?

A) 2 : 3 : 4            

B) 4 : 3 : 2

C) 4 : 3 : 6            

D) 6 : 4 : 3

Correct Answer: D

Solution :

Required ratio of the time taken