Comprehension Passage
Study the following bar graph carefully and answer the following questions:
The below data represents the number of persons who like the various food items (Burger, Sandwich and Pizza) in an office over the years.
What is the difference between average number of persons who likes Sandwich in 2018 & 2020 together and average number of persons who likes Pizza in 2016, 2018 & 2019 together?
1
20
2
25
3
30
4
35
5
45