Q. A sum of Rs. 1550 was lent partly at 5% and partly at 8% simple interest. The total interest received after 3 years is Rs. 300. The ratio of money lent at 5% to that at 8% is = ?

• A. 5 : 8
• B. 8 : 5
• C. 31 : 6
• D. 16 : 15

Correct Answer: D