Concept-wise Practice

set mapping MCQ Questions for Class 12

set mapping se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

Practice Questions

1 questions tagged with set mapping.

यदि \(A=\{1,2,3\}\) और \(B=\{4,5,6,7\}\), तो \(f:A\to B\), \(f=\{(1,4),(2,5),(3,4)\}\) के लिए सही कथन कौन-सा है?

If \(A=\{1,2,3\}\) and \(B=\{4,5,6,7\}\), which statement is correct for \(f:A\to B\), \(f=\{(1,4),(2,5),(3,4)\}\)?

Explanation opens after your attempt
Correct Answer

B. एकैकी नहीं हैNot one-one

Step 1

Concept

Each input has one output, so it is a function.

Step 2

Why this answer is correct

Inputs (1) and (3) both have output (4).

Step 3

Exam Tip

If two different inputs share an output, the function is not one-one. चरण 1: फलन में हर आगत का एक निर्गत है, इसलिए यह फलन है। चरण 2: (1) और (3) दोनों का निर्गत (4) है। चरण 3: दो अलग आगतों का समान निर्गत मिले तो फलन एकैकी नहीं होता।

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