यदि \(U=\{1,2,3,4,5,6,7\}\) और \(A=\{2,3,5,7\}\) है तो (A') में कितने तत्व (4) से छोटे हैं?
If \(U=\{1,2,3,4,5,6,7\}\) and \(A=\{2,3,5,7\}\), how many elements of (A') are less than (4)?
Explanation opens after your attempt
Correct Answer
A. (1)
Concept
(A'={1,4,6}). Among these, only (1) is less than (4).
Why this answer is correct
The correct answer is A. (1). (A'={1,4,6}). Among these, only (1) is less than (4).
Exam Tip
(A'={1,4,6}) है। इनमें (4) से छोटा केवल (1) है।
Login to save your score, XP, coins and progress.