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
Percentage of A's expenditure $=\left(\frac{18}{40} \times 100\right) \%=45 \%$. Percentage of B's expenditure $=\left(\frac{21}{50} \times 100\right) \%=42 \%$. Percentage of C's expenditure $=\left(\frac{24}{60} \times 100\right) \%=40 \%$. Percentage of D's expenditure $=\left(\frac{27}{70} \times 100\right) \%=38 \frac{4}{7} \%$. Clearly, A has done the highest expenditure.
Explanation as extracted from the printed page; notation may be imperfect.