50% of the people in an area read Ittefaq and 60% of the people in that area read Prothom Alo. 20% people read both the newspapers. What percent of people do not read any of the newspapers ?
A
20
B
10
C
15
D
25
Correct Answer: 10
Total = Ittefaq + Prothom Alo - Both + None = > 100% = 50% + 60% - 20% + None. So, None = 10%