Comprehension Passage
Direction: The bar graph shows the total number of teachers registered in different years from 2010 to 2015 in two projects Physics and Chemistry. Based on the chart, solve the questions.
What is the ratio of the total number of teachers of both projects (Physics and Chemistry) in 2012 to the total number of teachers in 2014 of both projects (Physics and Chemistry)?
1
72 : 97
2
24 : 47
3
21 : 97
4
57 : 109
5
None of these