List of top Quantitative Aptitude Questions on Simple Interest

For the such rate of Interest, the ratio of amount for one year under simple interest and for two years under compound interest compounded annually is 3:4. Find the rate of intrest:

A sum of 7,700 is lent on simple interest in two parts in such a way that the interest on the first part at 20% p.a. for 5 years is equal to the interest on the other part at 9% p.a. for 6 years. Find the smaller part of the sums lent in two parts.

A certain sum fetched simple interest of ₹3200 at the rate of 6.25% per annum in 4 years. What is the sum?

On simple interest a person invested one-fourth of his capital at 8%, one-third at 6% and the remaining at 10%. If his annual income is ₹735, then the capital is :

In how many years will a sum of money doubles itself at 6%% per annum simple intrest?

What sum of money will become Rs 520 in 5 years and to Rs 568 in 7 years with the same rate of simple interest?

Find in how many years will a sum double itself when given on 5% simple interest.

Amala, Bina, and Gouri invest money in the ratio 3 : 4 : 5 in fixed deposits having respective annual interest rates in the ratio 6 : 5 : 4. What is their total interest income (in Rs) after a year, if Bina's interest income exceeds Amala's by Rs 250?