List of top Mathematics Questions on Simple Interest

The rate of interest (per annum), at which the present value of a perpetuity of ₹5,000 payable at the end of every 6 months will be ₹40,000 is:

Vibhuti bought a car worth ₹10,25,000 and made a down payment of ₹4,00,000. The balance is to be paid in 3 years by equal monthly installments at an interest rate of 12% p.a. The EMI that Vibhuti has to pay for the car is:
(Use \( (1.01)^{-36} = 0.7 \))

Sanjay takes a personal loan of ₹6,00,000 at the rate of 12% per annum for 'n' years. The EMI using the flat rate method is ₹16,000. The value of 'n' is:

A sum of money triples itself in 3 years at simple interest. In how many years will it become 9 times of itself?

₹800 becomes ₹956 in 3 years at a certain rate of simple interest. If the rate of interest is increased by 4%, what will ₹ 800 amount to in 3 years:

Manish goes 8 km in the North from his school. Now, turning to the left, he goes 15 km and again turns to the left and goes to 8 km. How far he is from his school and in which direction?

At what rate of simple interest, a sum of ₹1,800 will become ₹2,700 in 10 years?