Study the following table and answer the question below.
| 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 | 36 | 5 : 7 |
| C | 1000 | 24 | 5 : 19 |
| D | 800 | 18 | 3 : 9 |
Find the ratio of the number of female students who opted biology in school B and school D.
General English
Select the most appropriate ANTONYM of the word 'fertile' in the given sentence.
The teacher asked, "Wheat is grown in which kind of land - rich, wet, barren and fecund?"
Choose the option that can substitute the underlined segment correctly and complete the meaning of the sentence.
Navika is a superb and impressive child in her class.