Question Bank • QB_GA_126 NAT • 2 Marks

Section 8: General Aptitude

Quantitative Aptitude

Subtopic: Numerical Computation

Question Statement:

A sum of money invested at compound interest compounded annually amounts to $\text{Rs. } 7200$ after $1\text{ year}$ and $\text{Rs. } 8640$ after $2\text{ years}$. Calculate the annual rate of interest as a percentage.

Answer Key:

20

Step-by-Step Solution & Explanation

Interest earned during the 2nd year on the first year amount: $I_2 = 8640 - 7200 = \text{Rs. } 1440$ Rate of interest: $r = \frac{1440}{7200} \times 100 = 20\%$
← Previous (QB_GA_123) Next (QB_GA_128) →

Practice In Authentic CBT Exam Interface

Test your skills under authentic timed conditions with live scoring and AIR percentile ranking.

Launch CBT Mock Test