In an examination 55% students passed in English, 35% students passed in Mathematics and 20% students passed in both the subjects. If 1200 students are failed then how many students appeared in the examination?
1
4800
2
4000
3
3600
4
3200
In an examination 55% students passed in English, 35% students passed in Mathematics and 20% students passed in both the subjects. If 1200 students are failed then how many students appeared in the examination?