Study the given table and answer the question that follows.
Find the difference between the number of female students and male students who opted biology in school C.
|
School name |
Total number of students enrolled |
Percentage of enrolled students, opted Biology |
Ratio of male to female students who opted Biology |
|
A |
900 |
30 |
7:8 |
|
B |
400 |
38 |
9:10 |
|
C |
1000 |
24 |
1:2 |
|
D |
800 |
18 |
5:7 |
Answer & explanation
Correct answer: option 4
Number of students opted biology = 24% of 1000 = 240
Ratio of male to female students opted biology = 1 : 2
3R = 240
1R = \(\frac{240}{3}\) = 80
SO , difference in male & female students opted biology = 2R - 1R = 80