ABC26GN4046 · Simple Interest

Subject: General Aptitude · Chapter: Simple Interest · Exam: · Marks: · Difficulty:

At what rate percent of simple interest will a sum of money double itself in 12 years?

(a)$8 \frac{1}{4} \%$

(b)$8 \frac{1}{3} \%$

(c)$8 \frac{1}{2} \%$

(d)$9 \frac{1}{2} \%$

Answer

Answer (as printed): B

Explanation

Let $\operatorname{sum}=₹ x$. Then, S.I. $=₹ x$. $\therefore \quad$ Rate $=\left(\frac{100 \times \text { S.I. }}{P \times T}\right)=\left(\frac{100 \times x}{x \times 12}\right) \%=\frac{25}{3} \%=8 \frac{1}{3} \%$.

Explanation as extracted from the printed page; notation may be imperfect.

Open in whiteboard · Browse this chapter in the app