Percentage distribution of teachers in six subjects in a university (2022), with Males:Females ratio. Physics has 448 teachers.
| Subject | Teachers (%) | Males:Females |
|---|---|---|
| Physics | 14% | 9:5 |
| Chemistry | 13% | 1:7 |
| Mathematics | 21% | 3:4 |
| Zoology | 22% | 7:9 |
| Education | 18% | 5:3 |
| Hindi | 12% | 1:3 |
The number of female teachers is more than 300 in exactly how many subjects?
ATwo
BThree ✓ Correct
CFour
DFive
Correct answer: (B) Three
Explanation
The number of female teachers is more than 300 in exactly three subjects.
Female teachers are found by applying each subject's female ratio to its teacher count.
Physics has 160, Chemistry 364, Mathematics 384 and Zoology 396.
Education has 216 and Hindi has 288.
Only Chemistry, Mathematics and Zoology exceed 300.
So exactly three subjects have more than 300 female teachers.
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