यदि (n\(A\cup B\)=70), (n(A-B)=26) और (n(B-A)=19) है, तो (n\(A\cap B\)) कितना है?
If (n\(A\cup B\)=70), (n(A-B)=26), and (n(B-A)=19), what is (n\(A\cap B\))?
Explanation opens after your attempt
A. (25)
Concept
The union has three separate parts, so (70-26-19=25). In Venn diagrams, adding or subtracting separate regions is easy.
Why this answer is correct
The correct answer is A. (25). The union has three separate parts, so (70-26-19=25). In Venn diagrams, adding or subtracting separate regions is easy.
Exam Tip
संघ के तीन अलग भाग हैं, इसलिए (70-26-19=25)। वेन आरेख में अलग क्षेत्रों को जोड़ना या घटाना आसान रहता है।
Login to save your score, XP, coins and progress.
