S.chand Class 8 Maths Solution Chapter 9 Compound Interest Exercise 9 A

 Exercise 9 A

Question 1

Find the compound interest on the following :

$\begin{array}{lcc}\text { Principal } & \text { Rate\% p.a. } & \text { Number of years } \\ \text { 1. } ₹ 10000 & 12 \% & 2 \\ \text { 2. ₹ } 5000 & 10 \% & 2\end{array}$

3. Find the amount and compound interest on a sum of ₹ 15625 at $4 \%$ per annum for 3 years compounded annually.

4. Shankar takes a loan of $₹ 10.000$ at a compound interest rate of $10 \%$ per annum (p.a.)

(i) Find the compound interest after one year.

(ii) Find the compound interest for 2 years.

(iii) Find the sum of money required to clean 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.

Multiple Choice Questions (MCQs)

5. If the simple interest on a sum at $4 \%$ per annum for 2 years is $₹ 80$, then the compound interest on the same sum for the same period is

(a) ₹ $86.80$

(b) ₹ $86.10$

(c) ₹ $88.60$

(d) ₹ $81.60$

6. What is the difference between the compound interest and simple interest on $₹ 8000$ at $15 \%$ per annum for 2 years?

(a) ₹ 280

(b) ₹ 100

(c) ₹ 180

(d) No difference