[PSSSB Senior Assistant, 2024]

8. The class teacher has posed two questions A and B to 160 students of her class. 65 students could not answer question A, 80 students could not answer question Band 40 students answered both the questions. How many students could not answer any of the two questions?

1. 25

2. 30

3. 40

4. 15

Correct Answer :

25