The population of a town increases by $5 \%$ every year. If the present population is $9261,$ the population $3$ $years$ ago was

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 $\%$) ?

Aditya invested certain amount in two different schemes $A$ and $B$. Scheme $A$ offer $S.I$ @ $12$ $p.c.p.a.$ and scheme $B$ offer $C.I.$ @ $10$ $p.c.p.a.$ Interest accured on the amount invested in scheme $A$ in $2$  years was $Rs. 3600$ and the total amount invested was $Rs. 35000$. What was the interest accured on the amount (In $Rs.$) invested in scheme $B$?

A sum of money placed at compound interest doubles itself in $5 \,years$. It will amount to eight times itself at the same rate of interest in (In $years$)

The difference between the simple interest and the compound interest (In ₹) on ₹ $600$ for $1$ year at $10 \%$ per annum, reckoned half-yearly is

What will be the difference between simple and compound interest (In ₹) @ $10 \%$ per annum on a sum of ₹ $1000$ after $4$ years?