यदि \(A=\{1,2,3,4,5,6\}\) पर (aRb) तब और केवल तब जब \(a\equiv b \pmod{3}\), तो ([2]) क्या है?

If (aRb) on \(A=\{1,2,3,4,5,6\}\) iff \(a\equiv b \pmod{3}\), then what is ([2])?

Explanation opens after your attempt
Correct Answer

A. ({2,5})

Step 1

Concept

The elements giving the same remainder (2) modulo (3) are (2) and (5). Hence ([2]={2,5}).

Step 2

Why this answer is correct

The correct answer is A. ({2,5}). The elements giving the same remainder (2) modulo (3) are (2) and (5). Hence ([2]={2,5}).

Step 3

Exam Tip

(2) के समान \( \pmod{3}\) शेष (2) देने वाले अवयव (2) और (5) हैं। इसलिए ([2]={2,5}) है।

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यदि \(A=\{1,2,3,4,5,6\}\) पर (aRb) तब और केवल तब जब \(a\equiv b \pmod{3}\), तो ([2]) क्या है? / If (aRb) on \(A=\{1,2,3,4,5,6\}\) iff \(a\equiv b \pmod{3}\), then what is ([2])?

Correct Answer: A. ({2,5}). Explanation: (2) के समान \( \pmod{3}\) शेष (2) देने वाले अवयव (2) और (5) हैं। इसलिए ([2]={2,5}) है। / The elements giving the same remainder (2) modulo (3) are (2) and (5). Hence ([2]={2,5}).

Which concept should I revise for this Mathematics MCQ?

The elements giving the same remainder (2) modulo (3) are (2) and (5). Hence ([2]={2,5}).

What exam hint can help solve this Mathematics question?

(2) के समान \( \pmod{3}\) शेष (2) देने वाले अवयव (2) और (5) हैं। इसलिए ([2]={2,5}) है।