Basics of Finan...

If meena gives an interest of Rs. $$45$$ for one year at $$9\%$$ rate p.a. What is the has borrowed ?

What would be the $$C.I$$ obtained on an amount of $$12500$$ at the rate of $$12$$ $$p.c.p.a.$$ after $$2$$ years? 

What would be the C.I. obtained on an amount of Rs. $$12000$$ at the rate of $$9$$ p.c.p.a for $$3$$ years?

The population of a town in $$2009$$ was $$125000$$. It increase $$10\%$$ per year. What is the population after $$3$$ years?

Decrease $$300$$ by $$24$$%

The population of Mumbai increase $$5\%$$ per annum, its population was $$1000000$$ in $$2004$$. What was it's population after $$3$$ year?

A steno-typist deposits Rs. $$10,000$$ in a bank for a period of $$3$$ years at $$12$$% per annum compound interest. The interest accrued to her after maturity will be  

Calculate the amount and compound interest on 
(i) INR $$10800$$ for $$3$$ years at $$12\dfrac{1}{2}\% $$   per annum compounded annually . 

What is CI on INR $$7500$$ for $$4$$ years if the rate of interest is $$10\%$$ p.a. For the first $$2$$ years and $$20\%$$p.a. for the next $$2$$ years?

The sum on which the compound interest for second year at $$10 \% \,p.a.$$ is $$Rs. \,132$$ is given by