Out of 60 students 30 like both math and english how many students like only maths

Comprehension: Read the data given and answer the following questions: In a class of 60 students: 42 like Mathes, 32 like English, 12 like neither Maths nor English. How many students like both Maths and English?

In a class of 50 students, each student passed Maths or English. If 10 students passed both Maths and English, and 30 students passed Maths, the find the number of students who passed English.

In a class , 40 student like Maths, 50 students like Physics and 60 students like Chemistry. 30 students like both Maths and Physics, 20 students like both Physics and Chemistry and none of them like both Maths of Chemistry . Find the total number of students who like only Maths, only Physics and only Chemistry.