Q.1. Find the amount and the compound interest on Rs. 5000 for 2 years at 8% per annum, compounded annually.

Answer:

Principal for the first year =

Interest for the first year =

Principal for the second year =

Amount at the end of second year =

Interest for the second year

Compound interest

Q.2. Find the amount and the compound interest on Rs. 8000 for 2 years at 6% per annum, compounded annually.

Answer:

Principal for the first year

Interest for the first year

Principal for second year

Interest for second year

Principal at the end of second year

Total compound interest

Q.3. Find the amount and the compound interest on Rs. 2500 for 2 years, compounded annually, the rate of interest being 6% during the first year and 8% during second year.

Answer:

Principal for the first year

Interest earned by end of first year

Principal for the second year

Interest earned for second year

Total interest

Amount at the end of the second year

Q.4. Find the amount and the compound interest on Rs. 2500 for 3 years at 6% per annum, compounded annually.

Answer:

Principal for the first year

Interest for first year

Principal for 2^{nd} year

Interest for 2^{nd} year

Principal for 3^{rd} year

Interest for 3^{rd} year

Amount at the end of the 3^{rd} year

Q.5. Find the amount and the compound interest on Rs. 10000 for 3 years at 10 % per annum, compounded annually.

Answer:

Principal for the 1^{st} year

Interest for 1^{st} year

Principal for 2^{nd} year

Interest for 2^{nd} year

Principal for 3^{rd} year

Interest for 3^{rd} year

Amount at the end of the 3^{rd} year

Total compounded interest

Q.6. ‘A’ took a loan of Rs. 25000 from corporate bank at 12% per annum, compounded annually. How much amount he will have to pay at the end of 3 years?

Answer:

Principal for the 1^{st} year

Interest for the 1^{st} year

Principal for 2^{nd} year

Interest on 2^{nd} the year

Principal for the 3^{rd} year

Interest for the 3^{rd} year

Amount at the end of 3^{rd} year

Total compounded interest

Q.7. ‘A’ deposited Rs. 15625 in a bank at 8% per annum, compounded annually. How much amount will he get after 3 years?

Answer:

Principal for 1st year

Interest for 1^{st} year

Principal for 2nd year

Interest for 2^{nd} year

Principal for the 3^{rd} year

Interest for the 3^{rd} year

Amount at the end of the 3^{rd} year

Q.8. A person lent out Rs. 16000 on simple interest and the same sum on compound interest for 2 years at 12.5% per annum. Find the ratio of the amounts received by him as interest after 2 years.

Answer:

__Simple Interest__

Principal for the 1^{st} year

Interest for the 1^{st} year

Interest for 2^{nd} year

Total interest

__Compound Interest__

Principal for 1^{st} year

Interest at the end of the 1^{st} year

Principal for 2^{nd} year

Interest at the end of the 2^{nd} year

Total compound interest

Ratio of the interest

Note: We could also solve by using the formula

Answer 1:

Answer 2:

Answer 3:

Answer 4:

Answer 5:

Answer 6:

Answer 7: