Question

4. Calculate the compound interest that Shivi gets by investing 9000 for 4 years at 10% per
annum.
5. What will be the compound interest on 25000 after 3 years at the rate of 12% per annum.
6. Find the compound interest when principal is 7000, rate is 5% per annum and period is 2
years.
7. Calculate the compound interest on 8000 for 2 years at 5% per annum.
8. Calculate the compound interest that will get by investing 5000 for 3 years at 10% per annum
in the bank.
Finding Principal, Rate or Time
far you have used the compound interest formula to find the interest and amount, when the
ncipal, rate and time are given. Now we will see how to find any of these quantities when
other quantities are given.
Solved Examples​

Answer 1

Answer:

4. A = 9000 (1.10)^4

       = 13176.9

5. A = 25000 (1.12)^3

       = 35123.2

6. A = 7000 (1.05)^2

       = 7717.5

7. A = 8000 (1.05)^2

       = 8820

8. A = 5000 (1.10)^3

       = 6655