Interest | Simple Interest

Practice Interest | Simple Interest on Bissoy — browse topics below and open any question.

Questions

How much time will it take for an amount of Rs. 450 to yield Rs. 81 as interest at 4.5% per annum of simple interest?

Reena took a loan of Rs. 1200 with simple interest for as many years as the rate of Interest. If she paid Rs. 432 as interest at the end of the loan period, what was the rate of interest?

Rs. 750 invested for 3 months gave an interest of Rs. 18. What was the simple rate of interest per annum?

The simple interest on a sum for 20 years is 5/4 of the principal. What is the per annum rate (in percentage) of interest?

A sum of Rs 8000 is divided into two parts. The simple interest on first part at the rate of 21% per annum is equal to the simple interest on second part at the rate of 35% per annum. What is the interest (in Rs) of each part?

What Principal will yield Rs. 120 as Simple Interest at 6% p.a. in 10 years?

A certain sum of money triples itself in 5 years at simple interest. In how many years it will be five times?

The simple interest accrued on a sum of money at the end of four years is 1/5th of its principal. What is the rate of interest per annum?

If a certain sum of money become thrice of itself in 5 years 4 months at simple interest, then what will be the yearly rate of interest (in %)?

A sum fetched a total simple interest of Rs.5,400 at the rate of 12.5 %/yr in 4 years. What is the sum (in Rs)?

A sum of money becomes 77/50 of itself in 18/5 years when invested at simple interest. What is the rate (in percentage) of interest per annum?

A sum of money (P) doubles in 10 years. How much would it be in 20 years at the same rate of simple interest?

The simple interest on a sum of money is 16/25 of the principal. The number of years is equal to the rate of interest per annum. What is the rate (in percentage) of interest per annum?

R borrowed Rs. 1,200 at 13% per annum simple interest. What amount will R pay to clear the debt after 5 years?

What is the ratio of simple interest earned on certain amount at the rate of 12% for 6 years and that for 12 years?