Question Detail
Question
In a survey of 300 housewives, 120 read A, 150 read B, 110 read C. 40 read A and B, 35 read B and C, 30 read A and C. If all read at least one magazine, how many read all three?
Correct Answer
Option A is the correct answer.
Detailed Explanation
300 = 120 + 150 + 110 − (40 + 35 + 30) + x = 225 + x → x = 25
Hint
No hint available