MCQ Subject: Simple Interest & Percentage

A sum of ₹500 earns a simple interest of ₹75 over 3 years. What is the rate of interest (%) if the principal is increased by 25% and the time by 2 years, resulting in an interest of ₹126?

A certain amount is invested at simple interest. The simple interest accrued over 5 years equals 5% of the principal. What is the annual interest rate?

Person A invests ₹500 at 10% SI for 2 years. Person B invests ₹600 at 8% SI for 3 years. Who earned a higher percentage return on their principal?

Rahul invested a total of Rs. 10,000 in two parts: one at 10% SI per annum and the other at 15% SI per annum for 1 year. The total interest from both investments is Rs. 1,200. What percentage of the total principal was invested at 10%?

An investment of ₹50,000 earns a simple interest of ₹10,000 in 2 years at 10% annual rate. How much interest would ₹30,000 earn in 5 years at 8%?

A certain sum of money is invested at 10% per annum for 2 years. When the same sum is invested at 15% per annum for 1 year, the simple interest obtained is ₹50 less than the first investment. What is the principal amount?

Rahul invests ₹50,000 at a simple interest rate of 5% per annum. How much interest does he earn in 2 years?

Rahul borrowed ₹24,000 at a simple interest rate of 12% per annum. If he paid ₹3,120 as interest after 3 years, what is the principal amount he actually borrowed?

Rahul invests ₹50,000 at 5% simple interest for 2 years and ₹30,000 at 4% for 3 years. Which investment yields more interest?

Amit invests ₹4,000 and Bhavin invests ₹5,000 at 6% per annum for 3 years. What is the percentage increase in the Simple Interest earned by Bhavin compared to Amit?