ABC26GN4047 · Simple Interest

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

The rate at which a sum becomes four times of itself in 15 years at S.I., will be

(a)15\%

(b)$17 \frac{1}{2} \%$

(c)20\%

(d)25\%

Answer

Answer (as printed): C

Explanation

Let $\mathrm{sum}=₹ x$. Then, S.I. $=₹ 3 x$. $\therefore \quad$ Rate $=\left(\frac{100 \times \text { S.I. }}{P \times T}\right)=\left(\frac{100 \times 3 x}{x \times 15}\right) \%=20 \%$.

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

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