The least number of completed years in which a sum of money put out at $20 \%$ $C.I.$ will be more than doubled is
$3$
$4$
$5$
$6$
If the compound interest on a certain sum for $2$ years is ₹ $105$ and simple interest is ₹ $100$, then the sum (In ₹) is
A sum of money, deposited at some rate $p.c.p.a.$ of compound interest, doubles itself in $4$ years. In how many years will it become $16$ times of itself at the same rate?
The compound interest earned by Shivam on a certain amount at the end of $2$ years at the rate of $8 \,p.c.p.a.$ was $Rs. 1414.4 .$ What was the total amount that Shivam got back at the end of $2$ years in the form of principal plus interest earned (In $Rs.$) ?
Find the compound interest on $Rs. 12500$ at $8 \%$ per annum for $9$ months compounded quarterly (In $Rs.$)
A sum of money lent at compound interest for $2 \,yr$ at $20 \%$ pa would fetch $Rs. 964$ more, if the interest was payable half-yearly than if it was payable annually. What is the sum (In $Rs.$) ?