A) 10 : 15 : 13
B) 2 : 3 : 4
C) 15 : 20 : 12
D) 16 : 18 :15
Correct Answer: C
Solution :
Suppose, distance between A to B\[~=x\] and three persons speed are \[4x,3x\]and \[5x\] respectively. Distance Then, Time =\[\frac{Distence}{Speed}\] Hence, required ratio \[=\frac{x}{4x}:\frac{x}{3x} & :\frac{x}{5x}=\frac{1}{4}:\frac{1}{3}:\frac{1}{5}\] \[~=\text{ 15}:\text{2}0:\text{12}\]You need to login to perform this action.
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