Three Clubs, One Batch
PRACTICE100:00+4 −1MCQ Single Answer
Data / Set
All students of a first-year batch were surveyed about three clubs — Debate, Quizzing and Robotics. Each student was asked which of the three they had attended at least once during August. The results were as follows.
- students had attended Debate, had attended Quizzing and had attended Robotics.
- students had attended none of the three.
- The number of students who had attended exactly two of the three clubs was three times the number who had attended all three.
- students had attended Debate and Quizzing but not Robotics.
- students had attended Quizzing and Robotics but not Debate.
How many students had attended all three clubs?