= 50000× (1-10/100)^2 = 50000×9×9/10×10 =40500
The value of a machine depreciates every year by 5%. If the present value of the machine be Rs. 100000, what will be its value after 2 years?
Value of a machine depreciates every year at the rate of 15%. If its present value is Rs 4800, what will be its value after 3 years?