यदि \(A=\{1,2,3,4\}\), तो केवल सम सदस्यों से बने उपसमुच्चयों की संख्या कितनी है?
If \(A=\{1,2,3,4\}\), how many subsets can be formed using only even elements?
Explanation opens after your attempt
Correct Answer
C. (4)
Concept
The even elements are (2,4). The number of their subsets is \(2^2=4\).
Why this answer is correct
The correct answer is C. (4). The even elements are (2,4). The number of their subsets is \(2^2=4\).
Exam Tip
सम सदस्य (2,4) हैं। इनके सभी उपसमुच्चयों की संख्या \(2^2=4\) है।
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