Question 1: Find the amount and the compound interest on Rs. for
years at
per annum, compounded annually.
Answer:
Principal for the first year Rs.
Interest for the first year
Rs.
Principal for the second year Rs.
Amount at the end of second year
Rs.
Interest for the second year
Rs.
Compound interest Rs.
Question 2: Find the amount and the compound interest on Rs. for
years at
per annum, compounded annually.
Answer:
Principal for the first year Rs.
Interest for the first year
Rs.
Principal for second year Rs.
Interest for second year
Rs.
Principal at the end of second year Rs.
Total compound interest Rs.
Question 3: Find the amount and the compound interest on Rs. for
years, compounded annually, the rate of interest being
during the first year and
during second year.
Answer:
Principal for the first year Rs.
Interest earned by end of first year
Rs.
Principal for the second year Rs.
Interest earned for second year
Rs.
Total interest Rs.
Amount at the end of the second year Rs.
Question 4: Find the amount and the compound interest on Rs. for
years at
per annum, compounded annually.
Answer:
Principal for the first year Rs.
Interest for first year
Rs.
Principal for 2nd year Rs.
Interest for 2nd year
Rs.
Principal for 3rd year Rs.
Interest for 3rd year
Rs.
Amount at the end of the 3rd year Rs.
Question 5: Find the amount and the compound interest on Rs. for
years at
per annum, compounded annually.
Answer:
Principal for the 1st year Rs.
Interest for 1st year
Rs.
Principal for 2nd year Rs.
Interest for 2nd year
Rs.
Principal for 3rd year Rs.
Interest for 3rd year
Rs.
Amount at the end of the 3rd year Rs.
Total compounded interest
Question 6: ‘A’ took a loan of Rs. from corporate bank at
per annum, compounded annually. How much amount he will have to pay at the end of
years?
Answer:
Principal for the 1st year Rs.
Interest for the 1st year
Rs.
Principal for 2nd year Rs.
Interest on 2nd the year
Rs.
Principal for the 3rd year Rs.
Interest for the 3rd year
Rs.
Amount at the end of 3rd year Rs.
Total compounded interest Rs.
Question 7: ‘A’ deposited Rs. in a bank at
per annum, compounded annually. How much amount will he get after
years?
Answer:
Principal for 1st year Rs.
Interest for 1st year
Rs.
Principal for 2nd year Rs.
Interest for 2nd year
Rs.
Principal for the 3rd year Rs.
Interest for the 3rd year
Rs.
Amount at the end of the 3rd year Rs.
Question 8: A person lent out Rs. on simple interest and the same sum on compound interest for
years at
per annum. Find the ratio of the amounts received by him as interest after
years.
Answer:
Simple Interest
Principal for the 1st year Rs.
Interest for the 1st year
Rs.
Interest for 2nd year Rs.
Total interest Rs.
Compound Interest
Principal for 1st year Rs.
Interest at the end of the 1st year
Rs.
Principal for 2nd year Rs.
Interest at the end of the 2nd year
Rs.
Total compound interest Rs.
Ratio of the interest
Note: We could also solve by using the formula
Answer 1:
Rs.
Answer 2:
Rs.
Answer 3:
Rs.
Answer 4:
Rs.
Answer 5:
Rs.
Answer 6:
Rs.
Answer 7:
Rs.
Nice work
LikeLike