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
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