The compound interest on ₹ $4000$ for $4$ years at $10 \%$ per annum will be (in ₹):

What sum of money (in ₹) at compound interest will amount to ₹ $650$ at the end of the first year and ₹ $676$ at the end of the second year?

If the difference between the simple interest and compound interest earned on an amount at $15$ $p.c.p.a.$ at the end of $3$ years is $Rs. 595.35$,what is the amount (in $Rs.$)?

If the compound interest on a certain sum for $2$ $years$ at $3 \%$ per annum is $Rs. 101.50$,then the simple interest (in $Rs.$) on the same sum at the same rate and for the same time will be:

On a sum of money,the simple interest for $2$ years is ₹ $660$,while the compound interest is ₹ $696.30$,the rate of interest being the same in both the cases. The rate of interest (in $\%$) is

The difference between simple interest and compound interest on a certain sum for $3$ years at $5 \%$ per annum is ₹ $122$. Find the sum (in ₹).