1) 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) 15 : 20 : 14 B) 15 : 20 : 15 C) 15 : 20 : 12 D) 15 : 20 : 16 E) 15 : 16 : 18 Answer: Option CExplanation:Ratio of speeds $=4:3:5$. There for Ratio of times taken $=\frac{1}{4}:\frac{1}{3}:\frac{1}{5}$ $=15:20:12$
