Concept-wise Practice

two sets MCQ Questions for Class 12

two sets 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 two sets.

यदि \(A=\{1,2\}\) और \(B=\{3,4,5\}\) हैं, तो \(A\times B\) में कितने युग्म होंगे?

If \(A=\{1,2\}\) and \(B=\{3,4,5\}\), how many pairs are there in \(A\times B\)?

Explanation opens after your attempt
Correct Answer

B. 6

Step 1

Concept

In \(A\times B\), there are (2) choices for the first position and (3) choices for the second.

Step 2

Why this answer is correct

Total pairs are \(2\times3=6\).

Step 3

Exam Tip

For different sets also, multiply to count Cartesian product pairs. चरण 1: \(A\times B\) में पहले स्थान के लिए (2) और दूसरे स्थान के लिए (3) विकल्प हैं। चरण 2: कुल युग्म \(2\times3=6\) होंगे। चरण 3: अलग-अलग समुच्चयों के लिए भी कार्तीय गुणन में गुणा ही करते हैं।

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