Mathematics quiz on Simple Interest and Compound Interest (13-12-2020)

A sum is to be paid back in 2 equal annual installments. The interest is compounded annually at 4% per annum. If each installment be Rs. 17,576 then what is the sum?

A sum of money is invested in compound interest at 15% per annum for three years. If the investment mode was simple interest instead, what should have been the rate of interest to earn the same amount of interest in three years?

What is the rate of interest when the present worth of Rs. 1500 due 30 months hence is Rs. 1363?

What will be the amount if a sum of rupees 25000 is please at CI for 3 years at the rate of interest for the first second and third year is 4% 8% and 10% respectively?

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 12% p.a. is Rs. 900. What is the value of given sum ⇒in Rs.)?

Rs. 5046 is divided into 2 parts. first part is invested for 3 year and the second part is invested for 5-year. Rate of compound interest is 5% in both the investments. If amount received after three year and five years is equal. Find the amount invested for three years?

Mary invested a sum of money in compound interest at the rate of 10% per annum the difference between the interest that is added to her account in first and second year is Rs. 120. find the amount of money she invested?

A sum of money at compound interest amount to thrice itself in 16 years, so in how many years it will be 27 times itself?