If the amount is $6 \frac{1}{4}$ times the sum after $2$ years at compound interest, the rate of interest (In $\%$) per annum is

A bank offers $5 \%$ compound interest calculated on half-yearly basis. A customer deposits $Rs. 1600$ each on $1^{st}$ January and $1^{st}$ July of a year. At the end of the year, the amount (In $Rs.$) he would have gained by way of interest is

What is the difference between the compound interest and simple interest on ₹ $4000$ at $5 \%$ per annum for $2$ years?

If the difference between the $C.I.$ compounded half yearly and simple interest on a sum at $10 \%$ per annum for one year is $Rs. 25,$ the sum (In $Rs.$) is

A bank offers $5 \%$ compound interest calculated on half-yearly basis. A customer deposits ₹ $1600$ each on $1^{st}$ January and $1^{st}$ July of a year. At the end of the year, the amount (In ₹) he would have gained by way of interest is

What would would be the $C.I.$ obtained on an amount of $Rs. 4800$ at the rate of $5$ $p.c.p.a$ for $3$ years (In $Rs.$)?