यदि \(A=\{1,8,27,64\}\) और \(B=\{8,64,125\}\) है, तो (A-B) क्या है?

If \(A=\{1,8,27,64\}\) and \(B=\{8,64,125\}\), what is (A-B)?

Explanation opens after your attempt
Correct Answer

A. ( {1,27} )

Step 1

Concept

The elements (8) and (64) are removed from (A) because they are also in (B). So (A-B={1,27}).

Step 2

Why this answer is correct

The correct answer is A. ( {1,27} ). The elements (8) and (64) are removed from (A) because they are also in (B). So (A-B={1,27}).

Step 3

Exam Tip

(A) से (8) और (64) हटेंगे क्योंकि वे (B) में भी हैं। इसलिए (A-B={1,27}) है।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A=\{1,8,27,64\}\) और \(B=\{8,64,125\}\) है, तो (A-B) क्या है? / If \(A=\{1,8,27,64\}\) and \(B=\{8,64,125\}\), what is (A-B)?

Correct Answer: A. ( {1,27} ). Explanation: (A) से (8) और (64) हटेंगे क्योंकि वे (B) में भी हैं। इसलिए (A-B={1,27}) है। / The elements (8) and (64) are removed from (A) because they are also in (B). So (A-B={1,27}).

Which concept should I revise for this Mathematics MCQ?

The elements (8) and (64) are removed from (A) because they are also in (B). So (A-B={1,27}).

What exam hint can help solve this Mathematics question?

(A) से (8) और (64) हटेंगे क्योंकि वे (B) में भी हैं। इसलिए (A-B={1,27}) है।