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 $\%$) ?
$7$
$3.5$
$14$
$10.5$
The difference between the compound interest and simple interest on a certain sum at $5 \%$ for $2$ years is ₹ $1.50$. The sum is (In ₹)
An amount of money at compound interest grows up to ₹ $3,840$ in $4$ years and up to ₹ $3,936$ in $5$ years. Find the rate of interest (In $\%$)
If the difference between $S.I.$ and $C.I.$ is $Rs. 25$ on $10000$ for $2$ years then what is rate of interest?
The production of a factory grows at a $8 \%$ $p.a.$ What will be its production (In $lakh tonnes$) for the year $2010$ , if its production in $2008$ was $70$ lakh tonnes?
The simple and compound interests on a sum of money for $2$ years are ₹ $8400$ and ₹ $8652$ respectively. The rate of interest per annum is (In $\%$)