यदि \(A=\{किताब,कलम\}\) है तो (\mathcal{P}(A)) में कितने तत्व होंगे?
If \(A=\{book,pen\}\), how many elements are in (\mathcal{P}(A))?
Explanation opens after your attempt
Correct Answer
C. (4)
Concept
A set with two objects has \(2^2=4\) subsets. The rule stays the same whatever the names are.
Why this answer is correct
The correct answer is C. (4). A set with two objects has \(2^2=4\) subsets. The rule stays the same whatever the names are.
Exam Tip
दो वस्तुओं वाले समुच्चय के उपसमुच्चय \(2^2=4\) होते हैं। नाम कुछ भी हो नियम वही रहता है।
Login to save your score, XP, coins and progress.