Compound Interest Exercise 2

What annual payment will discharge a debt of ₹50,440 due in 3 years at 5% per annum compounded annually?

A sum of money yields at compound interest ₹200 and ₹220 at the end of first and second year respectively. The rate % is

The compound interest accrued on an amount of ₹25,500 at the end of three year is ₹8,440.5. What would be the simple interest accrued on the same amount at the same rate in the same period?

The simple interest obtained on an amount of ₹45,000 at the end of 4 year is ₹15,300. What would be the approximate compound interest obtained on the same amount at the same rate of interest in the same period?

Parameshwaran invested an amount of ₹12,000 at the simple interest rate of 10 pcpa and another amount at the simple interest rate of 20 pcpa. The total interest earned at the end of one year on the total amount invested became 14 pcpa. Find the total amount invested.

Find the difference between S.I and C.I on ₹2,000 for 2 years at the rate of 10% p.a.

The compound interest on a certain sum for 2 years is ₹41 and the simple interest is ₹40. Find the rate % p.a.

What would be the simple interest, if the compound interest on the same sum for 2 years at 4% be ₹408.

The difference between compound interest and simple interest on a sum for 2 years at 10% per annum, when the interest is compounded annually is ₹16. If the interest were compounded half-yearly, the difference in two interests would be:

A person lent out a certain sum on simple interest and the same sum on compound interest at certain rate of interest per annum. He noticed that the ratio between the difference of compound interest and simple interest of 3 years and that of 2 years is 25 : 8. The rate of interest per annum is:

Rahul borrowed a certain sum from Dhawan at a certain rate of simple interest for 2 years. He lent this sum to Ramesh at the same rate of interest compounded annually for the same period. At the end of two years, he received ₹4200 as compound interest but paid ₹4000 only as simple interest. Find the rate of interest.

A person has taken a loan amount at the rate of 10 % annual compound interest and he pays that amount in two instalments of ₹968 each. How much loan did he take?

A tree increases annually by ⅛th of its height. By how much will it increase after 2½ yearly, if it stands today 10ft high?

A man borrows ₹2550 to be paid back with compound interest at the rate of 4% per annum by the end of 2 years in two equal yearly instalments. How much will each instalment be?

Two friends A and B jointly lent out ₹81,600 at 4% per annum compound interest. After 2 years A gets the same amount as B gets after 3 years. The investment made by B was

The population of a village is 10,000. If the population increases by 10% in the first year, by 20% in the second year and due to mass exodus, it decreases by 5 % in the third year, what will be its population after 3 years?

A sum of money is accumulating at compound interest at a certain rate of interest. If simple interest instead of compound were reckoned, the interest for the first two years would be diminished by ₹20 and that for the first three years, by ₹61. Find the sum.

A sum of money is put at compound interest for 2 years at 20% p.a. It would fetch ₹482 more, if the interest were payable half-yearly, than if it were payable yearly. Find the sum.