यदि (n(U)=52) और (n\(A\cup B\)=37), तो न (A) न (B) में कितने अवयव हैं?
If (n(U)=52) and (n\(A\cup B\)=37), how many elements are in neither (A) nor (B)?
Explanation opens after your attempt
A. (15)
Concept
The number in neither (A) nor (B) is (52-37=15). It is the part inside (U) but outside both circles.
Why this answer is correct
The correct answer is A. (15). The number in neither (A) nor (B) is (52-37=15). It is the part inside (U) but outside both circles.
Exam Tip
न (A) न (B) की संख्या (52-37=15) है। यह (U) के अंदर दोनों वृत्तों के बाहर का भाग है।
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