Subject
Quantitative Aptitude
Topic
Percentage
In an education institution, 55% students have Facebook, 35% have Twitter and 20% have both. What percent of students do not have any?
In an education institution, 55% students have Facebook, 35% have Twitter and 20% have both. What percent of students do not have any?
ক)
0%খ)
20%গ)
30%ঘ)
45%Explanation
All = Single + None - Both ⇒ 100 = 55 + 35 + none - 20 ⇒ 100 = 70 + none ∴ none = 30Related questions
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