यदि \(U={1,2,\ldots,100}\), \(A={x:x \in U,8\mid x}\), तो (n(A')) क्या है?
If \(U={1,2,\ldots,100}\), \(A={x:x \in U,8\mid x}\), what is (n(A'))?
Explanation opens after your attempt
Correct Answer
A. (88)
Concept
There are (12) multiples of (8) up to (100). Hence (n(A')=100-12=88).
Why this answer is correct
The correct answer is A. (88). There are (12) multiples of (8) up to (100). Hence (n(A')=100-12=88).
Exam Tip
(100) तक (8) के (12) गुणज हैं। इसलिए (n(A')=100-12=88) है।
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