यदि \(A=\{1,2,3\}\) और \(B=\{1,2,3,4\}\), तो \(A\times B\) में (a<b) वाले युग्मों की संख्या कितनी है?

If \(A=\{1,2,3\}\) and \(B=\{1,2,3,4\}\), how many pairs in \(A\times B\) satisfy (a<b)?

Explanation opens after your attempt
Correct Answer

C. (6)

Step 1

Concept

For (a=1) there are (3), for (a=2) there are (2), and for (a=3) there is (1) choice. Total is (6), and the order in inequality matters.

Step 2

Why this answer is correct

The correct answer is C. (6). For (a=1) there are (3), for (a=2) there are (2), and for (a=3) there is (1) choice. Total is (6), and the order in inequality matters.

Step 3

Exam Tip

(a=1) पर (3), (a=2) पर (2), और (a=3) पर (1) विकल्प मिलते हैं। कुल (6) है और असमता में क्रम ध्यान से देखें।

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यदि \(A=\{1,2,3\}\) और \(B=\{1,2,3,4\}\), तो \(A\times B\) में (a<b) वाले युग्मों की संख्या कितनी है? / If \(A=\{1,2,3\}\) and \(B=\{1,2,3,4\}\), how many pairs in \(A\times B\) satisfy (a<b)?

Correct Answer: C. (6). Explanation: (a=1) पर (3), (a=2) पर (2), और (a=3) पर (1) विकल्प मिलते हैं। कुल (6) है और असमता में क्रम ध्यान से देखें। / For (a=1) there are (3), for (a=2) there are (2), and for (a=3) there is (1) choice. Total is (6), and the order in inequality matters.

Which concept should I revise for this Mathematics MCQ?

For (a=1) there are (3), for (a=2) there are (2), and for (a=3) there is (1) choice. Total is (6), and the order in inequality matters.

What exam hint can help solve this Mathematics question?

(a=1) पर (3), (a=2) पर (2), और (a=3) पर (1) विकल्प मिलते हैं। कुल (6) है और असमता में क्रम ध्यान से देखें।