Annual increase in population of a city is 4% and the present population is 40000. What will be the population of the city after 2 years?
There is 60% increase in an amount in 6 years at simple interest. What will be the compound interest of Rs. 12000 after 4 years at the same rate?
The population of one town is 485200. If it increases annually at 5%, what will be its population 2 years hence. What was it 2 years ago?
The value of a machine depreciates at the rate of 10% per annum. If its present value is Rs.40500, what will be its worth after 2 years? What was the value of the machine 2 years ago.
