Difference between simple and compound interest on sum of 10000 is 64 for 2 years. rate of interest.

English

Gujarati

Hindi

6.Interest

easy

The difference between simple and compound interest on sum of $10000$ is $64$ for $2$ years. Find the rate of interest.

A

$8$

B

$64$

C

$4$

D

$2$

Solution

Difference between CI and SI for 2 years $=\frac{ PR ^{2}}{100^{2}}$

$64=\frac{10000 \times R^{2}}{100 \times 100} \Rightarrow R^{2}=64 \Rightarrow R=8 \%$

Standard 13

Quantitative Aptitude

Share

Similar Questions

What is the rate of interest (in $\%$) if simple interest earned on a certain sum for the 3 rd year is $₹ 2,000$ and compound interest earned in 2 years is ₹ $4,160 ?$

medium

On a certain principal if the simple interest for two years is ₹ $1400$ and compound interest for the two years is ₹ $1449,$ what is the rate of interest (In $\%$) ?

medium

Suneeta borrowed certain sum from Reena for $2 \,yr$ at simple interest. Suneeta lent this sum to Venu at the same rate for $2 \,yr$ at compound interest. At the end of $2 \,yr$, she received $Rs. 110$ as compound interest but paid $Rs. 100$ as simple interest. Find the sum and the rate of interest?

medium

A sum of money at compound interest doubles itself in $15$ years. It will become eight times of itself in (In $years$)

medium

A sum of money amounts to ₹ $6655$ at the rate of $10 \%$ compounded annually for $3$ years. The sum of money is (In ₹)

medium