If the screenshot of the table is provided, then it'll be better to understand the question

2 votes

The following table gives data of some students. However, some data has been spoilt and cannot be read on the computer floppy

It is also known that:

1. Half the students were either excellent or good.

2. 40% of the students were females

3. One-third of the male students were average. Based on the above answer the following questions.

Among average students, what is the ratio of male to female?

- 1:2
- 2: 1
- 3:2
- 2:3

1 vote

Best answer

Performance | Total | |||
---|---|---|---|---|

Average | Good | Excellent | ||

Male | $\color{blue}{16}$ | $\color{blue}{22}$ | 10 | $\color{blue}{48}$ |

Female | $\color{blue}{(40-16) = 24}$ | $\color{blue}{8}$ | -- | 32 |

Total | $\color{blue}{40}$ | 30 | $\color{blue}{10}$ | $\color{blue}{80}$ |

$∴\color{green}{\text{The ratio of male to female among average students =}}$ $\color{maroon}{16 : 24 = 2 : 3}$