GATE CSE 2024 | Set 1 | GA: 4

Question

​​​​The number of coins of ₹$1$, ₹$5$, and ₹$10$ denominations that a person has are in the ratio $5:3:13$. Of the total amount, the percentage of money in ₹$5$ coins is

• A. $21 \%$
• B. $14 \frac{2}{7} \%$
• C. $10 \%$
• D. $30 \%$ 

Answer 1

Correct Answer: C

Answer 2

Answer: option C

Answer 3

Percentage of $5$rs coins= total five rupees coins/ total amount

$\implies \frac{5*3}{1*5+5*3+10*13}\times100$

$\implies \frac{15}{150}\times100=10\%$

Option $(C)$ is correct.