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The following bar diagram shows the number of students who opted for the different subjects in the year 2020 and 2021. Out of all 5 subjects,
Question

The following bar diagram shows the number of students who opted for the different subjects in the year 2020 and 2021.

Out of all 5 subjects, what percentage (rounded up to two decimals) of students opted for Biology in 2021?

A.

23.14%

B.

22.34%

C.

21.18%

D.

24.31%

Correct option is C

Given: 

Subjects

Number of Students (in 2021)

Economics

85

Biology

90

Computer Science

65

Physical Education

110

Geography

75

Formula Used: 
Percentage of students opted specific subject =  Total Students in specific subjectsTotal students in all subjects\frac{\text{ Total Students in specific subjects}}{\text{Total students in all subjects}} 
Solution:
Total students = 85 + 90 + 65 + 110 + 75 = 425 
Students opted biology = 90 

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