यदि \(A\subseteq B\subseteq C\), (n(C)=132), (n(B)=84) और (n(A)=37) है, तो (n(C-A)) कितना होगा?
If \(A\subseteq B\subseteq C\), (n(C)=132), (n(B)=84), and (n(A)=37), what is (n(C-A))?
Explanation opens after your attempt
C. (95)
Concept
Since (A) lies completely inside (C), (n(C-A)=132-37=95). Subtract only the set being removed.
Why this answer is correct
The correct answer is C. (95). Since (A) lies completely inside (C), (n(C-A)=132-37=95). Subtract only the set being removed.
Exam Tip
क्योंकि (A) पूरा (C) में है, इसलिए (n(C-A)=132-37=95)। हटाए गए समुच्चय को ही घटाएं।
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