Multiple Choice Question (MCQ)

A group of 24 students was polled as to whether they enjoy biology class, chemistry class, both, or neither. The results are shown in the table below:


\begin{array}{|c|c|c|} \hline &\text{Biology}&\text{Chemistry} \\ \hline \text{Enjoy} &14&18 \\ \hline \text{Don't Enjoy }&10&6 \\ \hline \end{array}


  1. ×

    The ratio of those who enjoy biology class to those who enjoy chemistry class is 7:8.

  2. ×

    The ratio of those who enjoy chemistry class to those who don't enjoy chemistry class is 9:4.

  3. ×

    The ratio of those who enjoy biology class to those who don't enjoy chemistry class is 7:2.

  4. The ratio of those who don't enjoy biology class to those who enjoy chemistry class is 5:9.

Collected in the board: Ratio and Proportion

Steven Zheng posted 2 years ago

Answer

  1. According to the poll, the number of students who don't enjoy biology class to those who enjoy chemistry class are 10 and 18 respectively, the ratio of them is 10:18 = 5:9.

    Choice D is correct.

Steven Zheng posted 2 years ago

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