Concept-wise Practice

counting classes MCQ Questions for Class 11

counting classes 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 counting classes.

यदि \(A=\{1,2,3,4\}\) पर एक तुल्य संबंध के वर्ग ({1,4}) और ({2,3}) हैं, तो (R) में कुल कितने युग्म होंगे?

If an equivalence relation on \(A=\{1,2,3,4\}\) has classes ({1,4}) and ({2,3}), how many ordered pairs are in (R)?

Explanation opens after your attempt
Correct Answer

A. (8)

Step 1

Concept

All ordered pairs within each class are included. The number is \(2^2+2^2=8\).

Step 2

Why this answer is correct

The correct answer is A. (8). All ordered pairs within each class are included. The number is \(2^2+2^2=8\).

Step 3

Exam Tip

प्रत्येक वर्ग के भीतर सभी क्रमित युग्म आते हैं। संख्या \(2^2+2^2=8\) है।

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