Comprehension Passage
Direction: Study the given table carefully and answer the following questions accordingly. The table shows the number of One BHK and Two BHK flat from 4 Buildings A, B, C, and D.
| Buildings | One BHK Flats | Two BHK Flats |
| A | 20 | 30 |
| B | 15 | 35 |
| C | 25 | 25 |
| D | 24 | 26 |
Find the average of One BHK flats in all the buildings
1
18
2
24
3
21
4
16
5
20