Study the following table and answer the question that follows.
Income and expenditure of companies A and B during 2016 to 2020 (in Rs. crores)
The total expenditure of company B in 2016 and 2018 is what percentage of the total
income of company A in 2017, 2019 and 2020?

Company Year	A		B
	Income	Expenditure	Income	Expenditure
2016	160	105	220	130
2017	210	140	270	180
2018	250	180	300	210
2019	290	200	320	250
2020	300	175	400	300

Correct option is C

Solution: ​

Total expenditure of company B in 2016 and 2018;

= 130 + 210 = 340 

Total income of company A in 2017, 2019 and 2020; 

= 210 + 290 + 300 = 800 

Percentage = $$\frac{340}{800}\times 100 = 42.5\%$$​​