Three persons are walking from a place A to another place B. Their speeds are in the ratio of 4 : 3 : 5. The… · ABC26GN3699
Subject: General Aptitude · Chapter: Time and Distance
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
(a)4 : 3 : 5
(b)5 : 3 : 4
(c)15 : 9 : 20
(d)15 : 20 : 12
Answer
Answer (as printed): D
Explanation
Ratio of speeds $=4: 3: 5$. $$\text { ∴ Ratio of times taken }=\frac{1}{4}: \frac{1}{3}: \frac{1}{5}=15: 20: 12 .$$
Explanation as extracted from the printed page; notation may be imperfect.