Subject: General Aptitude · Chapter: Ratio and Proportion · Exam: · Marks: · Difficulty:
$A, B, C$ and $D$ have ₹ 40, ₹ 50, ₹ 60 and ₹ 70 respectively when they go to visit a fair. $A$ spends ₹ 18, $B$ spends ₹ 21, $C$ spends ₹ 24 and $D$ spends ₹ 27. Who has done the highest expenditure proportionate to his resources?
(a)$A$
(b)$B$
(c)$C$
(d)$D$
Answer
Answer (as printed): A
Explanation
Ratio of the expenditures of $A, B, C$ and $D$ are as under : $$\begin{aligned} & A \rightarrow \frac{18}{40}=\frac{9}{20}=0.45 ; B \rightarrow \frac{21}{50}=0.42 ; \\ & C \rightarrow \frac{24}{60}=\frac{2}{5}=0.4 ; D \rightarrow \frac{27}{70}=0.385 . \end{aligned}$$ Clearly, $A$ has done the highest expenditure proportionate to his resources.
Explanation as extracted from the printed page; notation may be imperfect.