Question

In a college of 500 students, 200 students are appearing for GRE test, 300 students are appearing for CAT and 150 students
for GATE, while 50 students are not appearing for any one of these three. The number of students who are appearing for at
least one is equal to the number of students appearing for at most two examinations.​

Answer 1

Answer:

so what we have to do in this????????