Q. Ram purchased a car worth Rs 1000 and Shyam purchased a bike worth Rs 800. The annual % depreciation in their values was 10% & 5% respectively.If they exchanged their vehicles after three years and one paid the other the difference in value, then

options are
1.Ram paid Shyam Rs.80
2.Ram paid Shyam Rs.60
3. Shyam paid Ram Rs.80
4. Shyam paid Ram Rs.60

Value of car after 1st year, 2nd year and 3rd year will be Rs 900, Rs 810 and Rs 729 respectively.
Value of bike after 1st year, 2nd year and 3rd year will be respectively Rs 760, Rs 722 and Rs 685.9 respectively.
So Shyam pays Rs 43.1 to Ram.