MATHEMATICS
JAMB 2010 - Question 12
Mathematics 2010 JAMB Past Questions - Question 12: In a survey of 50 newspaper readers,40 read Champion and 30 read Guardian ,how many read both papers?
A:
B:
C:
D:
Correct Answer
D
Explanation
40-x+x+30-x=50 70-x=5070 -x = xtherefore x = 20

