Train K crosses a pole in 30 seconds and train L crosses the same pole in one minute and 20 seconds. The length of train K is three-fourths the length of train L. What is the ratio of the speed of train K to that of train L ?

A) 1 : 3

B) 2 : 1

C) 3 : 1

D) 1 : 2

View Answer
Option – B.