Question Bank › General Aptitude › Percentage › ABC26GN2428ABC26GN2428 · Percentage Subject: General Aptitude · Chapter: Percentage · Exam: · Marks: · Difficulty:
A merchant invests a certain sum and his annual gain percent is 25. If at the end of the third year, his capital is ₹ 10000, then the amount invested by him is equal to
(a) ₹ 5120
(b) ₹ 5210
(c) ₹ 5500
(d) ₹ $5714 \frac{2}{7}$
Answer Explanation Amount invested $=₹\left[\frac{10000}{\left(1+\frac{25}{100}\right)^{3}}\right]=₹\left(10000 \times \frac{4}{5} \times \frac{4}{5} \times \frac{4}{5}\right)$ $$\text { = ₹ } 5120 .$$
Explanation as extracted from the printed page; notation may be imperfect.
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