Concept-wise Practice
addition modulo MCQ Questions for Class 12
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Practice Questions
1 questions tagged with addition modulo.
समुच्चय \(A=\{0,1,2,3\}\) पर (a*b) को (a+b) को (4) से भाग देने पर प्राप्त शेषफल माना गया है। (3) का प्रतिलोम क्या है?
On \(A=\{0,1,2,3\}\), (a*b) is the remainder obtained when (a+b) is divided by (4). What is the inverse of (3)?
Explanation opens after your attempt
Step 1
Concept
इस संक्रिया में तत्समक (0) है। / The identity for this operation is (0).
Step 2
Why this answer is correct
(3*b) का मान (0) चाहिए। (3+1=4), जिसका (4) से शेष (0) है। / We need (3*b=0). Since (3+1=4), the remainder modulo (4) is (0).
Step 3
Exam Tip
शेषफल वाली जोड़ में प्रतिलोम वह संख्या है जो जोड़कर पूरा गुणज बना दे। / In modulo addition, the inverse makes the sum a multiple of the modulus.
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