Class 12 Mathematics - Relations and Functions - Relations Easy Quiz

Mathematics Relations and Functions Relations Easy Class 12 Level 30

Level 30 • 1/50 questions • 40 seconds per question.

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Question 1/1 Easy Mathematics Relations and Functions Binary operations Class 12 Level 30

यदि \(A=\{1,2,3\}\) पर संक्रिया (a*b=a) से परिभाषित है, तो (2*3) का मान क्या होगा?

If an operation on \(A=\{1,2,3\}\) is defined by (a*b=a), what is the value of (2*3)?

Explanation opens after your attempt
Correct Answer

A. (2)

Step 1

Concept

नियम (a*b=a) बताता है कि उत्तर हमेशा पहले अवयव के बराबर होगा। / The rule (a*b=a) says the result is always the first element.

Step 2

Why this answer is correct

(2*3) में पहला अवयव (2) है। / In (2*3), the first element is (2).

Step 3

Exam Tip

परीक्षा में पहले नियम पढ़ें और फिर दिए गए अवयव रखें। / In exams, read the rule first and then substitute the given elements.

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