MATHEMATICS · Multi-part · CBSE · Mathematics · Fractions in Disguise · Fractions in Disguise
Problem
A machine is purchased for ₹1,00,000. Its value depreciates by 20% at the end of every year.
(i) Show that the value of the machine after n years is ₹1,00,000(0.8)n.
(ii) Find the value of the machine after 5 years.
(iii) Calculate the total amount by which the machine has depreciated during the first 5 years.
(iv) Determine the least number of years after which the total depreciation exceeds ₹90,000.