ABC26GN4141 · Compound Interest

Subject: General Aptitude · Chapter: Compound Interest · Exam: 2009 · Marks: · Difficulty:

What would be the compound interest accrued on an amount of ₹ 8000 at the rate of 15 p.c.p.a. in 3 years?

(a)₹ 4051

(b)₹ 4167

(c)₹ 4283

(d)₹ 4325

(e)None of these

Answer

Answer (as printed): B

Explanation

$$\begin{aligned} \text { Amount } & =₹\left[8000 \times\left(1+\frac{15}{100}\right)^{3}\right] \\ & =₹\left(8000 \times \frac{23}{20} \times \frac{23}{20} \times \frac{23}{20}\right)=₹ 12167 . \\ \therefore \text { C.I. } & =₹(12167-8000)=₹ 4167 . \end{aligned}$$

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

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