Growth and Depreciation

The value of a machine depreciates every year at the rate of $10\%$. If the value after $3$ years after it was purchased is $₹10,935$, at what price was it purchased?

The price of a car is $₹350000$. The value of the car depreciates by $20\%$ in the first year and after that it depreciates by $25\%$ every year. What will be the car's value after $3$ years? 

The machinery of a factory was valued at $₹18400$ the end of $2018$. If it depreciated at $8\%$ of the value at the beginning of the year, calculate its value at the end of $2017$ and $2019$.

A scooter is bought for $₹31250$. If its value after $2$ years is $₹24200$, find its rate of depreciation.

A piece of machinery was purchased by a factory. It depreciates at $10\%$ every year. At the end of second year its value is $₹129600$. What was its cost price? 

The present value of some equipment in a firm is $₹109350$. If the rate of depreciation is $10\%$ per annum, how many years ago was its value  $₹150000$?

A washing machine was bought at $₹15,625$ three years ago. If its value depreciates at $16\%$ per annum, calculate its value after one year from now.

A washing machine was bought at $₹15,625$ three years ago. If its value depreciates at $16\%$ per annum, calculate its present value.

The value of a machine depreciates every year by $5\%$ per annum. If the present value is $₹411540$, what was its value $3$ year ago?

The population of a town increases by $10\%$ every year. If the present population is $60500$, find its population after $2$ years and $2$ years ago.

Three years ago, the price of a plot of land was $₹120000$. If the price of land increased at $10\%$ per annum, what is its present price? 

Two years ago, a plant was $192 \mathrm{cm}$ tall. At present its height is $243 \mathrm{cm}$. Find the rate of its growth.

The production of toys in a factory was $40,000$ two years ago. The production decreased by $3\%$ in the first year but increased by $5\%$ in the second year. Find the present day production. 

The present population of a town is $798600$. If it increased at the rate of $10\%$ every year, what was its population $3$ years ago? 

There were $720000$ people in a town. If the population of this town increases at the rate of $5\%$ per annum, find the population at the end of $2$ years.