Comprehension Passage
Directions: Read the given graph carefully and answer the following questions.
The pie chart shows the degree distribution of the number of students in a college in six different departments.
20%, 25%, 30%, 10%, 15%, and 10% students are not placed in college placements in each department starting from Mechanical to Electronics respectively. The number of students who are placed in companies is 3870. For six departments, find the ratio between the number of students who are placed and who are not placed.
1
383 : 117
2
117 : 389
3
387 : 113
4
123 : 113
5
113 : 278