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 teachers (both male and female) in Hindi is approximately what percent less than the total number of female teachers in Mathematics and Chemistry together?
A43.59
B51.44
C42.81
D48.66 ✓ Correct
Correct answer: (D) 48.66
Explanation
The Hindi teachers are about 48.66 percent fewer than the female teachers of Mathematics and Chemistry together.
Hindi has 12 percent of 3200 teachers, which is 384.
Female teachers in Mathematics number 384 and in Chemistry number 364.
Together the two female counts are 748.
The difference is 748 minus 384, which is 364.
364 divided by 748 times 100 is about 48.66 percent.
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