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Aptitude · Q78

Compound Interest

Competitive Exams · Aptitude · question 78

Q78

A man, borrow Rs 21000 at 10% compound interest. How much he has to pay annually at the end of each year, to settle his loan in two years ?

A.
Rs. 12000
B.
Rs. 12100
Answer
C.
Rs. 12200
D.
Rs. 12300

Answer: Option B

Solution

Answer: Option B
Solution:
\begin{aligned} & {\text{Rate }} \Rightarrow {\text{ 10% = }}\frac{1}{{10}} \\ & {\text{Each installment of 2 years}} \\ & \Rightarrow \frac{{10}}{{11}} \times \frac{{\left( {10 + 11} \right)}}{{11}} \times {\text{ Installment = P}}{\text{.A}} \\ & {\text{P}}{\text{.A = 21000}} \\ & {\text{Each installment = 12100}} \\\end{aligned}