# S Chand ICSE Mathematics Class 9 Solution Second Chapter Compound Interest Exercise 2A (O.P. Malhotra, S.K. Gupta, Anubhuti Gangal)

### S Chand ICSE Mathematics Class 9 Solution Second Chapter Compound Interest Exercise 2A

Find the compound interest on the following:

(1) Principal – Rs. 10000, Rate% p.a. 12% Number of years 2

(2) Principal – Rs. 5000, Rate 10% p.a. Number of years 2

(3) Principal 2800 Rate% p.a. 10%, Number of years 1 and ½

Sol:

(5) Rs. 20480 Rate % p.a. 6 and 1/4 Number of years 2 years 73 days

Sol:

(6) Find the amount and compound interest on a sum of Rs. 15625 at 4% per annum for 3 years compounded annually.

(7) To renovate his shop, Anurag obtained a loan of Rs. 8000 from a bank. If the rate of interest at 5% per annum is compounded annually, calculate the compound interest that Anurag will have to pay after 3 years.
(8) Maria investes Rs. 93750 at 9.6% per annum for 3 years and the interest is compounded annually. Calculate:
(i) the amount standing to her credit at the end of second year.
(ii) the interest for the third year.

(9) A sum of Rs. 9600 is invested for 3 years at 10% p.a. compounded interest.

(i) What is the sum due at the end of the first year?

(ii) What is the sum due at the end of the second year?

(iii) Find the compound interest earned in the first 2 years.

(iv) Find the compound interest at the end of 3 years.

Solution:

(10) Shankar takes a loan of Rs. 10,000 at a compound interest rate of 10% per annum (p.a.)

(i) Find the compound interest after one year.

(ii) Find the compound interest after 2 years.

(iii) Find the sum of money required to clear the debt at the end of 2 years.

(iv) Find the difference between the compound interest and the simple interest at the same rate for 2 years.

Solution:

(11) Find the compound interest on Rs. 5000 at 12% p.a. for 1 year, compounded half yearly.

(12) Find the amount and the compound interest on Rs. 16000 for 1 and 1/2 years at 10% p.a., the interest being compounded half yearly.

Solution:

(13) Calculate the amount due and the compound interest on Rs. 40000 for 2 years when the rate of interest successive years is 7% and 8% respectively.

(14) If the simple interest on a sum of money for 2 years at 5% per annum is Rs. 50, What will be the compound interest on the same sum at the same rate for the same time.

Solution:

(15) A man invests Rs. 46,875 at 4% per annum compound interest for 3 years. Calculate:
(i) the interest for the 1st year;
(ii) the amount standing to his credit at the end of the 2 year.
(iii) the interest for the 3rd year.

Solution:

Updated: October 23, 2019 — 1:22 pm

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