Question

In a class of 50 students, 35 like Physics, 30
like Mathematics and 3 like neither. How
many like both the subjects? How many like
Physics only?in set form
​

Answer 1

Answer:

If there are 50 students and 3 like neither math or physics, then 47 of them either like one or both of the subjects. Adding up the 30 and 35, we get that 65 of the students like the two subjects collectively.