Question

the value of a machine deprites each year by 10% of its value at the beginning of that year its new value is 750 find its value when it was 2 years old

Answer 1

Solution

Value of the machine after 2 years = Rs.[40500*(1- 10/100)^2]
= Rs.40500*9*9/10*10 = Rs. 32805

Value of the machine 2 years ago = Rs.40500/(1-1/100)^2
= Rs.40500*10*10/9*9 = Rs.50000

32805, 50000
Option 6)