Comprehension Passage
Directions: Study the following information carefully and answer the given questions.
Given line graph shows total number of TV manufactured by MI company (Normal TV + Smart TV) in six different years and also shows total number of Smart TV:
20% of total smart TVs manufactured by MI in year 2012 and 20% of total normal TVs manufactured by MI in year 2015 were found defective. What is the ratio of non defective smart TV in year 2012 to non-defective Normal TV in year 2015?
1
1 : 2
2
2 : 1
3
5 : 6
4
4 : 5
5
None of these