Mathematics
The cost (₹ x) of a machine increases by 20% in the first two years and then decreases by 25% in the next two years. Then the cost of machine becomes : 1. ₹ x × 120/100 × 75/100 2. ₹ x × (120/100)^2 × 75/100 3. ₹ x × (120/100)^2 × (75/100)^2 4. ₹ x × (80/100)^2 × (75/100)^2
Related Questions
The cost of a machine is supposed to depreciate each year by 12% of its value at the beginning of the year. If the machine is valued at ₹ 44,000 at the beginning of 2008, find its value :
(i) at the end of 2009.
(ii) at the beginning of 2007.
The value of an article decreased for two years at the rate of 10% per year and then in the third year it increased by 10%. Find the original value of the article, if its value at the end of 3 years is ₹ 40,095.