The price of a car depreciates in the first year by 25% in the second year by 20% in third year by 15% and so on. The final price of the car after 3 years, if the present cost of the car is Rs. 10,00,000 :
Choose the most appropriate option:  A) 7,80,000  B) 1,70,000  C) 6,90,000  D) 5,10,000  E) None of these
Solution: Price after third depreciation,   100 ==25%↓ ==&gt; 75 == 20%↓==&gt;60 == 15% ↓ ==&gt; 51.   The price will be,   = Rs. 5, 10, 000.   Alternatively :   1000000*0.75*0.80*0.85 = Rs. 5, 10, 000.   Answer: Option 5,10,000
<result>D</result>
The price of a car depreciates in the first year by 25% in the second year by 20% in third year by 15% and so on. The final price of the car after 3 years, if the present cost of the car is Rs. 10,00,000 :