A person takes ₹ $10,000$ loan at the rate of $10 \%$ interest compounding yearly for the period of $4$ years. How much interest (In ₹) he has to pay?

The simple interest on a certain sum of money for $3$ years at $8 \%$ per annum is half the compound interest on ₹ $4000$ for $2$ years at $10 \%$ per annum. The sum placed on simple interest (In ₹) is

The simple interest accrued on a certain principal is ₹ $2,000$ in five years at the rate of $4$ percent $p.a.$ What would be the compound interest (In ₹) accrued on the same principal at the same rate in two years?

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

The compound interest on ₹ $30000$ at $7 \%$ per annum is ₹ $4347$ . The period (in $years$) is

Raghu invested a certain sum in Scheme $X$ for $4$ years.Scheme $X$ offers simple interest at $12$ per cent pa for the firsttwo years and compound interest (compounded annually) at $20$ per cent pa for the next two years. The total interest earned by him after $4$ years is ₹ $11016 .$ What was the sum (In ₹) invested by Raghu in Scheme $X ?$