Comprehension Passage
Direction: Study the direction and answer the following questions.
In 2020, in a college COVID test was conducted among 2000 people every month starting from March to July. In these months that is March, April, May, June, and July percentage of people affected were 10%, 25%, 50%, 40% and 20% respectively. Every month out of the affected people 50% are students, 20% are teachers and 30% are sub-staffs. Among 2000 people students, teachers and sub-staffs are in the ratio 5 ∶ 2 ∶ 3.
Number of sub staff affected in March is what percentage of the number of teachers affected in June?
1
25%
2
37.5%
3
45%
4
50%
5
12.5%