यदि \(A={x:x\) (100) से छोटे (25) के धनात्मक गुणज हैं(}) तो (A) के उपसमुच्चयों की संख्या क्या है?

If \(A={x:x\) is a positive multiple of (25) less than (100)(}), how many subsets does (A) have?

Explanation opens after your attempt
Correct Answer

C. (8)

Step 1

Concept

\(A=\{25,50,75\}\) has (3) elements, so it has \(2^3=8\) subsets. The boundary (100) is not included.

Step 2

Why this answer is correct

The correct answer is C. (8). \(A=\{25,50,75\}\) has (3) elements, so it has \(2^3=8\) subsets. The boundary (100) is not included.

Step 3

Exam Tip

\(A=\{25,50,75\}\) में (3) अवयव हैं इसलिए \(2^3=8\) उपसमुच्चय होंगे। सीमा में (100) शामिल नहीं है।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A={x:x\) (100) से छोटे (25) के धनात्मक गुणज हैं(}) तो (A) के उपसमुच्चयों की संख्या क्या है? / If \(A={x:x\) is a positive multiple of (25) less than (100)(}), how many subsets does (A) have?

Correct Answer: C. (8). Explanation: \(A=\{25,50,75\}\) में (3) अवयव हैं इसलिए \(2^3=8\) उपसमुच्चय होंगे। सीमा में (100) शामिल नहीं है। / \(A=\{25,50,75\}\) has (3) elements, so it has \(2^3=8\) subsets. The boundary (100) is not included.

Which concept should I revise for this Mathematics MCQ?

\(A=\{25,50,75\}\) has (3) elements, so it has \(2^3=8\) subsets. The boundary (100) is not included.

What exam hint can help solve this Mathematics question?

\(A=\{25,50,75\}\) में (3) अवयव हैं इसलिए \(2^3=8\) उपसमुच्चय होंगे। सीमा में (100) शामिल नहीं है।