Three persons are walking from a place A to another place B. Their speeds are in the ratio of 4 : 3 : 5. The time ratio to reach B by these
persons will be : Answers: A) 4 : 3 : 5 B) 15 : 20 : 12 C) 5 : 3 : 4 D) 20: 15 : 12 E) None
Sol.   Ratio of speeds = 4 : 3 : 5   ∴ Ratio of times taken = 1/4 : 1/3 : 1/5 = 15 : 20 : 12   Answer 15 : 20 : 12
<result>B</result>
Three persons are walking from a place A to another place B. Their speeds are in the ratio of 4 : 3 : 5. The time ratio to reach B by these
persons will be :