Question

Example 26 In a survey of 400 students in a school, 100 were listed as taking apple
juice, 150 as taking orange juice and 75 were listed as taking both apple as well as
orange juice. Find how many students were taking neither apple juice nor orange juice.
Solution Lat I denote the set of surveyed students and A denote the set of students​

Answer 1

Answer:

400-(100+150)

400-250

=150