The value of a machine depreciates at the rate of 10% per year. If its present is Rs.1,62,000 what will be its worth after 2 years ? What was the value of the machine 2 years ago ?
Choose one
A) 50000  B) 100000  C) 150000  D) 200000  E) None of them
Value of the machine after 2 years   =Rs.[162000*(1-(10/100))^2] = Rs.[162000*(9/10)*(9/10)]   =Rs. 131220   Value of the machine 2 years ago   = Rs.[162000/(1-(10/100)^2)]=Rs.[162000*(10/9)*(10/9)]=Rs.200000   Answer is 200000.
<result>D</result>
The value of a machine depreciates at the rate of 10% per year. If its present is Rs.1,62,000 what will be its worth after 2 years ? What was the value of the machine 2 years ago ?