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Aptitude · Q145

Compound Interest

Competitive Exams · Aptitude · question 145

Q145

What is the amount (in Rs.) of a sum of Rs. 32,000 at 20% per annum for 9 months, compounded quarterly?

A.
37,044
Answer
B.
35,087
C.
32,000
D.
30,876

Answer: Option A

Solution

Answer: Option A
Solution:

\begin{array}{*{20}{c}} {{\text{Principal}}}&{}&{{\text{Amount}}} \\ {{{\left( {20} \right)}^3}}&:&{{{\left( {21} \right)}^3}} \\ {8000}&:&{9261} \\ {\,\,\,\,\,{ \downarrow ^{ \times 4}}}&{}&{\,\,\,\,\,{ \downarrow ^{ \times 4}}} \\ {{\text{Rs}}{\text{. }}32000}&{}&{\boxed{{\text{Rs}}{\text{. }}37044}} \end{array}