यदि \(A=\{1,2,3\}\), \(B=\{4,5\}\) और \(C=\{6\}\) हैं, तो (\(A\times B\)\times C) में कितने अवयव होंगे?
If \(A=\{1,2,3\}\), \(B=\{4,5\}\) and \(C=\{6\}\), how many elements are in (\(A\times B\)\times C)?
Explanation opens after your attempt
B. (6)
Concept
(n\(A\times B\)=3\times2=6) and (n(C)=1). Therefore (n(\(A\times B\)\times C)=6\times1=6).
Why this answer is correct
The correct answer is B. (6). (n\(A\times B\)=3\times2=6) and (n(C)=1). Therefore (n(\(A\times B\)\times C)=6\times1=6).
Exam Tip
(n\(A\times B\)=3\times2=6) और (n(C)=1) है। इसलिए (n(\(A\times B\)\times C)=6\times1=6)।
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