Question 12
SetsIn a survey of 50 newspaper readers, 40 read Champion and 30 read Guardian, how many read both papers?
- A.15
- B.5
- C.10
- D.20
Show the answer and explanation
Answer: D (20)
Explanation
Both = 40 + 30 − 50 = 20.
In a survey of 50 newspaper readers, 40 read Champion and 30 read Guardian, how many read both papers?
Answer: D (20)
Both = 40 + 30 − 50 = 20.