Simple Interest Practice Test – Set 1

In how many years will a sum of money be 12 times itself at 44% per annum simple interest?

If a sum of money at simple interest becomes 36 times in 100 years, then it will become 29 times in:

A certain sum of money becomes 5 times in 15 years when invested at simple interest. In how much time (years and months) will it become 12 times of itself at the same rate?

A certain sum of money becomes 7 times itself when invested at a certain rate of simple interest in 14 years. How much time (in years, rounded off to 2 decimal places) will it take to become 18 times itself at the same rate?

A sum of money invested at simple interest triples itself in 8 years and becomes n times in 20 years. What is the value of n?