Comprehension Passage
Directions: Read the given pie-chart carefully and answer the following questions.
The pie chart given below shows the percentage distribution of the number of employees working in 6 different departments of a company.
What is the respective ratio of the number of employees working in the operation and technical departments together to the number of employees working in manufacturing and sales department together?
1
3 : 5
2
2 : 3
3
4 : 5
4
1 : 2
5
6 : 7